437 lines
18 KiB
JSON
437 lines
18 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-49332",
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"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
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"state": "PUBLISHED",
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"assignerShortName": "redhat",
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"dateReserved": "2026-05-29T13:28:56.553Z",
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"datePublished": "2026-07-28T12:18:26.112Z",
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"dateUpdated": "2026-09-21T16:09:11.495Z"
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},
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"containers": {
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"cna": {
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"title": "Openshift/oauth-proxy: openshift/oauth-proxy: underscore header smuggling enables identity impersonation on wsgi/php upstreams",
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"metrics": [
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{
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"other": {
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"content": {
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"value": "Important",
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"namespace": "https://access.redhat.com/security/updates/classification/"
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},
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"type": "Red Hat severity rating"
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}
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},
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{
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"cvssV3_1": {
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"attackComplexity": "LOW",
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"attackVector": "NETWORK",
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"availabilityImpact": "NONE",
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"baseScore": 8.5,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "LOW",
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"privilegesRequired": "LOW",
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"scope": "CHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N",
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"version": "3.1"
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},
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"format": "CVSS"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "A flaw was found in openshift/oauth-proxy. The proxy sets authenticated identity headers using only dash-variant keys (X-Forwarded-User) but does not strip underscore-variant keys (X_Forwarded_User) from incoming requests. WSGI and PHP frameworks normalize both variants to the same variable, allowing an authenticated low-privilege user to smuggle a forged identity that may override the legitimate authenticated identity in the upstream application."
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}
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],
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"affected": [
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{
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"vendor": "Red Hat",
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"product": "Red Hat OpenShift Container Platform 4.12",
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"collectionURL": "https://catalog.redhat.com/software/containers/",
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"packageName": "openshift4/ose-oauth-proxy",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "1786458704",
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"lessThan": "*",
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"versionType": "rpm",
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"status": "unaffected"
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}
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],
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"cpes": [
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"cpe:/a:redhat:openshift:4.12::el9"
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]
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},
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{
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"vendor": "Red Hat",
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"product": "Red Hat OpenShift Container Platform 4.13",
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"collectionURL": "https://catalog.redhat.com/software/containers/",
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"packageName": "openshift4/ose-oauth-proxy",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "1786477436",
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"lessThan": "*",
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"versionType": "rpm",
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"status": "unaffected"
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}
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],
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"cpes": [
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"cpe:/a:redhat:openshift:4.13::el9"
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]
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},
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{
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"vendor": "Red Hat",
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"product": "Red Hat OpenShift Container Platform 4.14",
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"collectionURL": "https://catalog.redhat.com/software/containers/",
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"packageName": "openshift4/ose-oauth-proxy",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "1785549818",
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"lessThan": "*",
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"versionType": "rpm",
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"status": "unaffected"
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}
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],
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"cpes": [
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"cpe:/a:redhat:openshift:4.14::el9"
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]
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},
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{
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"vendor": "Red Hat",
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"product": "Red Hat OpenShift Container Platform 4.15",
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"packageName": "openshift4/ose-oauth-proxy-rhel9",
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{
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"version": "1787054100",
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"lessThan": "*",
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"versionType": "rpm",
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"status": "unaffected"
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}
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],
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"cpes": [
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"cpe:/a:redhat:openshift:4.15::el9"
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]
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},
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{
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"vendor": "Red Hat",
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"product": "Red Hat OpenShift Container Platform 4.16",
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"collectionURL": "https://catalog.redhat.com/software/containers/",
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"packageName": "openshift4/ose-oauth-proxy-rhel9",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "1785544039",
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"lessThan": "*",
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"versionType": "rpm",
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"status": "unaffected"
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}
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],
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"cpes": [
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"cpe:/a:redhat:openshift:4.16::el9"
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]
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},
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{
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"vendor": "Red Hat",
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"product": "Red Hat OpenShift Container Platform 4.17",
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"collectionURL": "https://catalog.redhat.com/software/containers/",
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"packageName": "openshift4/ose-oauth-proxy-rhel9",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "1787543313",
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],
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"cpes": [
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"cpe:/a:redhat:openshift:4.17::el9"
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]
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},
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{
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"vendor": "Red Hat",
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"product": "Red Hat OpenShift Container Platform 4.18",
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"collectionURL": "https://catalog.redhat.com/software/containers/",
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"packageName": "openshift4/ose-oauth-proxy-rhel9",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "1785529735",
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"lessThan": "*",
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"versionType": "rpm",
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"status": "unaffected"
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}
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],
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"cpes": [
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"cpe:/a:redhat:openshift:4.18::el9"
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]
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},
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{
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"vendor": "Red Hat",
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"product": "Red Hat OpenShift Container Platform 4.19",
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"collectionURL": "https://catalog.redhat.com/software/containers/",
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"packageName": "openshift4/ose-oauth-proxy-rhel9",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "1785521728",
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"lessThan": "*",
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"versionType": "rpm",
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"status": "unaffected"
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}
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],
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"cpes": [
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"cpe:/a:redhat:openshift:4.19::el9"
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]
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},
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{
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"vendor": "Red Hat",
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"product": "Red Hat OpenShift Container Platform 4.20",
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"collectionURL": "https://catalog.redhat.com/software/containers/",
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"packageName": "openshift4/ose-oauth-proxy-rhel9",
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"versions": [
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{
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"version": "1785833742",
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"lessThan": "*",
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"versionType": "rpm",
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}
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],
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"cpes": [
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"cpe:/a:redhat:openshift:4.20::el9"
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]
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},
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{
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"vendor": "Red Hat",
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"product": "Red Hat OpenShift Container Platform 4.21",
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"collectionURL": "https://catalog.redhat.com/software/containers/",
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"packageName": "openshift4/ose-oauth-proxy-rhel9",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "1785851359",
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"lessThan": "*",
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"versionType": "rpm",
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"status": "unaffected"
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}
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],
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"cpes": [
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"cpe:/a:redhat:openshift:4.21::el9"
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]
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},
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{
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"vendor": "Red Hat",
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"product": "Red Hat OpenShift Container Platform 4.22",
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"collectionURL": "https://catalog.redhat.com/software/containers/",
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"packageName": "openshift4/ose-oauth-proxy-rhel9",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "1785885351",
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"lessThan": "*",
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"versionType": "rpm",
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"status": "unaffected"
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}
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],
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"cpes": [
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"cpe:/a:redhat:openshift:4.22::el9"
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]
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}
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],
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"references": [
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:50681",
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"name": "RHSA-2026:50681",
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"tags": [
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"vendor-advisory",
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"x_refsource_REDHAT"
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:50758",
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"name": "RHSA-2026:50758",
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"vendor-advisory",
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:51007",
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"name": "RHSA-2026:51007",
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"vendor-advisory",
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:51013",
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"name": "RHSA-2026:51013",
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"tags": [
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"vendor-advisory",
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"x_refsource_REDHAT"
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:51022",
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"name": "RHSA-2026:51022",
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"tags": [
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"vendor-advisory",
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"x_refsource_REDHAT"
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},
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:51025",
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"name": "RHSA-2026:51025",
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"tags": [
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"vendor-advisory",
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"x_refsource_REDHAT"
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]
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},
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:51038",
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"name": "RHSA-2026:51038",
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"tags": [
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"vendor-advisory",
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},
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:54188",
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"name": "RHSA-2026:54188",
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"tags": [
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"vendor-advisory",
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},
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:54206",
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"name": "RHSA-2026:54206",
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"tags": [
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"vendor-advisory",
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:56912",
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"name": "RHSA-2026:56912",
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"tags": [
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"vendor-advisory",
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"x_refsource_REDHAT"
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},
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:60023",
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"name": "RHSA-2026:60023",
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"vendor-advisory",
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{
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2483253",
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"name": "RHBZ#2483253",
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"tags": [
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"issue-tracking",
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],
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"datePublic": "2026-07-28T12:00:00.000Z",
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"problemTypes": [
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{
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{
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"cweId": "CWE-436",
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"description": "Interpretation Conflict",
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"type": "CWE"
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]
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}
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],
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"x_redhatCweChain": "CWE-436: Interpretation Conflict",
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"workarounds": [
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{
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"lang": "en",
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"value": "Upstream application hardening: validate X-Forwarded-User against the expected session identity. Reject requests where identity headers do not match the authenticated session."
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}
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],
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"timeline": [
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{
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"lang": "en",
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"time": "2026-04-17T00:00:00.000Z",
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"value": "Reported to Red Hat."
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"value": "Made public."
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}
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"credits": [
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{
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"lang": "en",
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"value": "This issue was discovered by Jeremy Choi (Red Hat)."
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],
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"adp": [
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{
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"metrics": [
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"content": {
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"timestamp": "2026-07-28T13:02:35.727357Z",
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"id": "CVE-2026-49332",
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"options": [
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],
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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]
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}
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} |