CVE-2026-40264

LowCVSS 2.7/10Last modified Nov 11, 2026

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.

Metrics

CVSS 3.1 2.7/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-1259

Affected software

Vendor	Product	Versions
openbao	openbao	< 2.5.3

References

https://github.com/openbao/openbao/security/advisories/GHSA-p49j-v9wc-wg57Vendor Advisory

Timeline

Published: Apr 21, 2026
Last modified: Nov 11, 2026
NVD status: Analyzed

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