126 lines
5.2 KiB
JSON
126 lines
5.2 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-2026-40868",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-04-15T15:57:41.718Z",
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"datePublished": "2026-04-21T18:22:01.502Z",
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"dateUpdated": "2026-04-22T13:35:50.296Z"
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},
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"containers": {
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"cna": {
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"title": "kyverno apicall servicecall implicit bearer token injection leaks kyverno serviceaccount token",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-922",
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"lang": "en",
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"description": "CWE-922: Insecure Storage of Sensitive Information",
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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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"metrics": [
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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": 8.1,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"privilegesRequired": "LOW",
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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:L/UI:N/S:U/C:H/I:H/A:N",
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"version": "3.1"
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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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"name": "https://github.com/kyverno/kyverno/security/advisories/GHSA-q93q-v844-jrqp",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/kyverno/kyverno/security/advisories/GHSA-q93q-v844-jrqp"
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}
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],
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"affected": [
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{
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"vendor": "kyverno",
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"product": "kyverno",
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"versions": [
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{
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"version": "< 1.16.4",
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"status": "affected"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2026-04-21T18:22:01.502Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Kyverno is a policy engine designed for cloud native platform engineering teams. Prior to 1.16.4, kyverno’s apiCall servicecall helper implicitly injects Authorization: Bearer ... using the kyverno controller serviceaccount token when a policy does not explicitly set an Authorization header. Because context.apiCall.service.url is policy-controlled, this can send the kyverno serviceaccount token to an attacker-controlled endpoint (confused deputy). Namespaced policies are blocked from servicecall usage by the namespaced urlPath gate in pkg/engine/apicall/apiCall.go, so this report is scoped to ClusterPolicy and global context usage. This vulnerability is fixed in 1.16.4."
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}
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],
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"source": {
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"advisory": "GHSA-q93q-v844-jrqp",
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"discovery": "UNKNOWN"
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}
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},
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"adp": [
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{
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"references": [
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{
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"url": "https://github.com/kyverno/kyverno/security/advisories/GHSA-q93q-v844-jrqp",
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"tags": [
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"exploit"
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]
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}
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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": "2026-04-22T13:34:55.762312Z",
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"id": "CVE-2026-40868",
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"options": [
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{
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"Exploitation": "poc"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "total"
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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": "2026-04-22T13:35:50.296Z"
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}
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}
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]
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}
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} |