234 lines
9.4 KiB
JSON
234 lines
9.4 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-2026-0707",
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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": "2026-01-08T02:52:15.720Z",
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"datePublished": "2026-01-08T03:41:27.775Z",
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"dateUpdated": "2026-06-08T10:21:07.875Z"
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},
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"containers": {
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"cna": {
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"title": "Keycloak: keycloak authorization header parsing leading to potential security control bypass",
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"metrics": [
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{
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"other": {
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"content": {
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"value": "Moderate",
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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": 5.3,
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"baseSeverity": "MEDIUM",
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"confidentialityImpact": "NONE",
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"integrityImpact": "LOW",
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"privilegesRequired": "NONE",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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 Keycloak. The Keycloak Authorization header parser is overly permissive regarding the formatting of the \"Bearer\" authentication scheme. It accepts non-standard characters (such as tabs) as separators and tolerates case variations that deviate from RFC 6750 specifications."
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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 build of Keycloak 26.4",
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"collectionURL": "https://catalog.redhat.com/software/containers/",
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"packageName": "rhbk/keycloak-operator-bundle",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "26.4.10-1",
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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:build_keycloak:26.4::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 build of Keycloak 26.4",
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"collectionURL": "https://catalog.redhat.com/software/containers/",
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"packageName": "rhbk/keycloak-rhel9",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "26.4-12",
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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:build_keycloak:26.4::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 build of Keycloak 26.4",
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"collectionURL": "https://catalog.redhat.com/software/containers/",
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"packageName": "rhbk/keycloak-rhel9-operator",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "26.4-12",
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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:build_keycloak:26.4::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 build of Keycloak 26.4.10",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"defaultStatus": "unaffected",
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"packageName": "rhbk/keycloak-rhel9",
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"cpes": [
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"cpe:/a:redhat:build_keycloak:26.4::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-2026:3947",
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"name": "RHSA-2026:3947",
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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-2026:3948",
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"name": "RHSA-2026:3948",
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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/security/cve/CVE-2026-0707",
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"tags": [
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"vdb-entry",
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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://bugzilla.redhat.com/show_bug.cgi?id=2427768",
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"name": "RHBZ#2427768",
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"tags": [
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"issue-tracking",
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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://github.com/keycloak/keycloak/issues/49433"
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}
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],
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"datePublic": "2026-01-07T00:00:00.000Z",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-551",
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"description": "Incorrect Behavior Order: Authorization Before Parsing and Canonicalization",
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"lang": "en",
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"type": "CWE"
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}
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]
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}
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],
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"x_redhatCweChain": "CWE-551: Incorrect Behavior Order: Authorization Before Parsing and Canonicalization",
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"workarounds": [
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{
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"lang": "en",
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"value": "To mitigate this issue, configure any front-end security controls, such as Web Application Firewalls (WAFs) or reverse proxies, to strictly validate and normalize the `Authorization` header before forwarding requests to Keycloak. This ensures that only standard Bearer token formats are processed, preventing potential bypasses."
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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": "2026-01-08T02:51:20.440Z",
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"value": "Reported to Red Hat."
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},
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{
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"lang": "en",
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"time": "2026-01-07T00:00:00.000Z",
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"value": "Made public."
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "Red Hat would like to thank Guanping Zhang for reporting this issue."
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}
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],
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"providerMetadata": {
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"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
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"shortName": "redhat",
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"dateUpdated": "2026-06-08T10:21:07.875Z"
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},
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"x_generator": {
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"engine": "cvelib 1.8.0"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-01-08T15:54:59.827077Z",
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"id": "CVE-2026-0707",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "yes"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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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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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-01-08T15:55:08.627Z"
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}
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}
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]
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}
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} |