CVE-2026-77524KEDA: Privilege escalation from namespace admin to cluster admin via KEDA TriggerAuthentication
Updated under an hour ago ()
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It affects kedacore keda. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.64%, higher than 49% of scored CVEs.
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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's 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's cluster-wide permissions, including broad Secret reads and workload or admission-related operations. This vulnerability is fixed in 2.21.0.
- CVSS
- 9.9 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Weakness (CWE)
- CWE-269, CWE-918
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.64% (percentile 49)
- Assigned by
- GitHub_M
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 14, 2026
- First seen by InfoSec Signals
- Oct 14, 2026
Affected products
kedacore keda kedacore:keda (from the name) | before 2.21.0 | CNA record |
References
- https://github.com/kedacore/keda/security/advisories/GHSA-637c-6jxx-4rwmx-refsource-confirm
- https://github.com/kedacore/keda/commit/1e21cc798dedd079e696cdb45388eddc5e18365dx-refsource-misc
- https://github.com/kedacore/keda/releases/tag/v2.21.0x-refsource-misc
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.