CVE-2026-40264

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.

CVSS v3 2.7 LOW

2.7^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.2 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/openbao/openbao/security/advisories/GHSA-p49j-v9wc-wg57	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:openbao:openbao:*:*:*:*:*:*:*:*

History

24 Apr 2026, 13:29

Type	Values Removed	Values Added
CPE		cpe:2.3:a:openbao:openbao::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 2.7
References	~~() https://github.com/openbao/openbao/security/advisories/GHSA-p49j-v9wc-wg57 -~~	() https://github.com/openbao/openbao/security/advisories/GHSA-p49j-v9wc-wg57 - Vendor Advisory
First Time		Openbao openbao Openbao

21 Apr 2026, 01:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-21 01:16

Updated : 2026-04-24 13:29

NVD link : CVE-2026-40264

Mitre link : CVE-2026-40264

CVE.ORG link : CVE-2026-40264

JSON object : View

Products Affected

openbao

openbao

CWE

CWE-1259

Improper Restriction of Security Token Assignment

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