{"id":"EUVD-2026-101431","enisaUuid":"702ca553-0fdf-36c0-9b16-6fed72d60fac","description":"KEDA is a Kubernetes-based Event Driven Autoscaling component. In version 2.20.2 and earlier, a namespace administrator who can create TriggerAuthentication and ScaledObject resources can set hashiCorpVault.address to a tenant-controlled endpoint and select Kubernetes authentication without an explicit credential. KEDA then uses the operator pod\u0027s projected ServiceAccount token and sends it to that endpoint as a Vault login credential. The JWT-shape filter from the prior CVE-2025-68476 remediation accepts the operator token because its subject is a Kubernetes ServiceAccount, so the attacker can obtain the operator\u0027s cluster-wide permissions, including broad Secret reads and workload or admission-related operations. This vulnerability is fixed in 2.21.0.","datePublished":"Oct 14, 2026, 4:15:15 PM","dateUpdated":"Oct 20, 2026, 1:39:03 AM","baseScore":9.9,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","references":"https://github.com/kedacore/keda/security/advisories/GHSA-637c-6jxx-4rwm\nhttps://github.com/kedacore/keda/commit/1e21cc798dedd079e696cdb45388eddc5e18365d\nhttps://github.com/kedacore/keda/releases/tag/v2.21.0\n","aliases":"CVE-2026-77524\nGHSA-637c-6jxx-4rwm\n","assigner":"GitHub_M","epss":0.6,"enisaIdProduct":[{"id":"add3c160-e8ca-3314-8422-08b4b5fee296","product":{"name":"keda","vendor":{"name":"kedacore"}},"product_version":"\u003c 2.21.0"}],"enisaIdVendor":[{"id":"41e9074c-5152-32c3-ae22-44b52e177caf","vendor":{"name":"kedacore"}}],"enisaIdVulnerability":[{"id":"52d39538-1c64-36b2-ac47-44d08db6135a","vulnerability":{"id":"GHSA-637c-6jxx-4rwm","description":"KEDA: Privilege escalation from namespace admin to cluster admin via KEDA TriggerAuthentication","datePublished":"Oct 15, 2026, 8:19:42 PM","dateUpdated":"Oct 15, 2026, 8:19:43 PM","baseScore":0.0,"references":"https://github.com/kedacore/keda/security/advisories/GHSA-637c-6jxx-4rwm\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-77524\nhttps://github.com/kedacore/keda/commit/1e21cc798dedd079e696cdb45388eddc5e18365d\nhttps://github.com/kedacore/keda\nhttps://github.com/kedacore/keda/releases/tag/v2.21.0\n","enisa_id":"EUVD-2026-101431\n","aliases":"GHSA-637c-6jxx-4rwm\nCVE-2026-77524\n","epss":0.0,"dataProcessed":"Nov 1, 2026, 2:07:48 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}},{"id":"8603a613-01a1-3435-a1c2-7716bf3bb073","vulnerability":{"id":"CVE-2026-77524","description":"KEDA is a Kubernetes-based Event Driven Autoscaling component. In version 2.20.2 and earlier, a namespace administrator who can create TriggerAuthentication and ScaledObject resources can set hashiCorpVault.address to a tenant-controlled endpoint and select Kubernetes authentication without an explicit credential. KEDA then uses the operator pod\u0027s projected ServiceAccount token and sends it to that endpoint as a Vault login credential. The JWT-shape filter from the prior CVE-2025-68476 remediation accepts the operator token because its subject is a Kubernetes ServiceAccount, so the attacker can obtain the operator\u0027s cluster-wide permissions, including broad Secret reads and workload or admission-related operations. This vulnerability is fixed in 2.21.0.","datePublished":"Oct 14, 2026, 4:15:15 PM","dateUpdated":"Oct 20, 2026, 1:39:03 AM","status":"PUBLISHED","baseScore":9.9,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","references":"https://github.com/kedacore/keda/security/advisories/GHSA-637c-6jxx-4rwm\nhttps://github.com/kedacore/keda/commit/1e21cc798dedd079e696cdb45388eddc5e18365d\nhttps://github.com/kedacore/keda/releases/tag/v2.21.0\n","enisa_id":"EUVD-2026-101431\n","assigner":"GitHub_M","epss":0.6,"dataProcessed":"Nov 1, 2026, 7:16:30 AM","vulnerabilityProduct":[{"id":"dc0c2102-26d7-357c-a2f6-f2a931cdb75b","product":{"name":"keda","vendor":{"name":"kedacore"}},"product_version":"\u003c 2.21.0"}],"vulnerabilityVendor":[{"id":"950c1bbd-3087-3023-8c9e-bc04e329724d","vendor":{"name":"kedacore"}}]}}],"enisaIdAdvisory":[{"id":"ca17fe00-7763-3929-a838-eb776621b860","advisory":{"id":"msrc_CVE-2026-77524","description":"KEDA: Privilege escalation from namespace admin to cluster admin via KEDA TriggerAuthentication","datePublished":"Oct 16, 2026, 1:02:57 AM","dateUpdated":"Oct 24, 2026, 1:46:36 AM","baseScore":0.0,"references":"https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-77524.json\n","aliases":"CVE-2026-77524\n","source":{"id":20,"name":"csaf_microsoft"},"advisoryProduct":[{"id":"05cd1406-09db-36c4-bc17-8682e0a28631","product":{"name":"azl3 keda 0:2.14.1-19.azl3","vendor":{"name":"Microsoft"}}},{"id":"2ff659b3-6989-3d69-8b42-b20a1310ab52","product":{"name":"keda","vendor":{"name":"kedacore"}}},{"id":"71230b8e-5e3d-3095-8c39-33237ffb4db2","product":{"name":"Azure Linux","vendor":{"name":"Microsoft"}}},{"id":"fd847316-1624-3b13-8c63-8571e9790ec6","product":{"name":"3.0","vendor":{"name":"Wind River"}}}]}}]}