๐Ÿ” CVE Alert

CVE-2026-115356

MEDIUM 5.4

OpenBao before 2.6.4 and 2.7.0 before 2.7.1 Kubernetes Auth Method Token Renewal After Revocation

CVSS Score
5.4
EPSS Score
0.0%
EPSS Percentile
0th

OpenBao before 2.6.4 and 2.7.x before 2.7.1 does not verify, when renewing a token issued by the Kubernetes Auth method, that the service account token originally used to authenticate is still valid. An authenticated attacker can keep renewing such tokens to persist access after the Kubernetes service account has been deleted.

CWE CWE-613
Vendor openbao
Product openbao
Published Oct 22, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

Affected Versions

openbao / openbao
0 < 2.6.4 2.7.0 < 2.7.1

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/openbao/openbao/security/advisories/GHSA-gf3j-hm38-jhh5 vulncheck.com: https://www.vulncheck.com/advisories/openbao-before-2.6.4-and-2.7.0-before-2.7.1-kubernetes-auth-method-token-renewal-after-revocation

Credits

06kellyjac