CVE-2026-40264
OpenBao's Token Store Allows Cross-Namespace Renewal, Revocation
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-1259 |
| Vendor | openbao |
| Product | openbao |
| Published | Apr 21, 2026 |
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Affected Versions
openbao / openbao
< 2.5.3