CVE-2026-40264 | THREATINT

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.

PUBLISHED Reserved 2026-04-10 | Published 2026-04-21 | Updated 2026-04-21 | Assigner GitHub_M

LOW: 2.0CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Problem types

CWE-1259: Improper Restriction of Security Token Assignment

Product status

< 2.5.3

affected

References

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

cve.org (CVE-2026-40264)

nvd.nist.gov (CVE-2026-40264)

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