CVE-2026-115356

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.

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/openbao/openbao/security/advisories/GHSA-gf3j-hm38-jhh5
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

Configurations

No configuration.

History

22 Oct 2026, 19:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-22 19:17

Updated : 2026-10-23 15:17

NVD link : CVE-2026-115356

Mitre link : CVE-2026-115356

CVE.ORG link : CVE-2026-115356

JSON object : View

Products Affected

No product.

CWE

CWE-613

Insufficient Session Expiration

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