CVE-2026-45808: Incorrect Authorization

OpenBao is an open source identity-based secrets management system. Prior to version 2.5.4, OpenBao's namespaces provide multi-tenant separation. A tenant who intentionally leaks lease identifiers can have their lease and underlying credential revoked or renewed by a user in another tenant via th...

CVE-2026-40264

A flaw was found in OpenBao. OpenBao's multi-tenant separation feature allows a privileged administrator in one tenant to revoke or renew a token belonging to another tenant if that token's accessors are leaked. This unauthorized token management could lead to a denial of service for the affected...

CVE-2026-40264: Improper Restriction of Security Token Assignment

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...