CVE-2026-40264: OpenBao's Token Store Allows Cross-Namespace Renewal, Revocation
OpenBao’s namespaces provide multi-tenant separation. A tenant who leaks token accessors can have their token revoked or renewed by a privileged administrator in another tenant.
References
- github.com/advisories/GHSA-p49j-v9wc-wg57
- github.com/openbao/openbao/commit/059cc5950303688335d5c8ab9af8e453795d693a
- github.com/openbao/openbao/pull/2934
- github.com/openbao/openbao/releases/tag/v2.5.3
- github.com/openbao/openbao/security/advisories/GHSA-p49j-v9wc-wg57
- nvd.nist.gov/vuln/detail/CVE-2026-40264
Code Behaviors & Features
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