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CVE-2026-115356 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:4.2 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

CNA: [email protected]CVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/openbao/openbao/security/advisories/GHSA-gf3j-hm38-jhh5	[email protected]	AdvisoryRemedyVendor
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	[email protected]	Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-613	Insufficient Session Expiration	[email protected]

Affected Products

Product	Versions
OpenBao	< 2.6.4 (semver) < 2.7.1 (semver)
CPE No CPEs found in CPE dictionary for this product. Remediation Upgrade: 2.6.4moderate effort Upgrade: 2.7.1moderate effort

Change History

2 change records found show changes

Date	Action	Recorded By
Oct 23, 2026	CVE Modified	CISA-ADP
Oct 22, 2026	New CVE Received	[email protected]