CVE-2026-45808

CVE-2026-45808 affects OpenBao before version 2.5.4 , where cross-namespace lease revocation can be triggered by a tenant in another tenant via legacy undocumented endpoints sys/revoke and sys/renew , bypassing namespace ACLs. Root cause: insufficient access control for lease operations across te...

CVE-2026-45808

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...

GO-2026-5657 OpenBao's cross-namespace lease revocation via legacy sys/revoke path bypasses ACL in github.com/openbao/openbao

OpenBao's cross-namespace lease revocation via legacy sys/revoke path bypasses ACL in github.com/openbao/openbao. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports...