CVE-2026-40264 — OpenBao's Token Store Allows Cross-Namespace Renewal, Revocation

CVE-2026-40264

OpenBao's Token Store Allows Cross-Namespace Renewal, Revocation PUBLISHED

Description (CNA)

OpenBao is an open source identity-based secrets management system. OpenBao's namespaces provide multi-tenant separation. Prior to version 2.5.3, a tenant who leaks token accessors can have their token revoked or renewed by a privileged administrator in another tenant. This is addressed in v2.5.3.

Affected (CNA)

Vendor / product	Versions
openbao / openbao	affected < 2.5.3

CWE

CWE-1259

References

https://github.com/openbao/openbao/security/advisories/GHSA-p49j-v9wc-wg57

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.