OpenBao’s Token Store Allows Cross-Namespace Renewal, Revocation_CVE-2026-40264

2 / 10

LOW

CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Description

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.

Basic Information

ID CVE-2026-40264

Source GitHub_M

Published Apr 21, 2026 at 00:47

Affected Product

Vendor openbao

Product openbao

Version < 2.5.3

Affected Versions openbao openbao < 2.5.3

CWE Classification

CWE-1259

References

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

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    "published": "2026-04-21T00:47:38.156Z",
    "modified": "2026-04-21T00:47:38.156Z",
    "type": "cve",
    "title": "OpenBao's Token Store Allows Cross-Namespace Renewal, Revocation",
    "source": "GitHub_M",
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