Vulnerability DatabaseCVE-2026-45808
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CVE-2026-45808
Published:May 31, 2026
Updated:June 13, 2026
Impact OpenBao's namespaces provide multi-tenant separation. A tenant who intentionally leaks lease identifiers can have their lease and underlying credential revoked or renewed by a user in another tenant via the legacy, undocumented "sys/revoke" and "sys/renew" endpoints. Patch This will be addressed in v2.5.4.
Affected Packages
github.com/openbao/openbao (GO):
Affected version(s) >=v0.0.0-20231109181733-93b1d803cb32 <v2.5.4
Fix Suggestion:
Update to version v2.5.4
Related Resources (5)
https://github.com/openbao/openbao/releases/tag/v2.5.4
https://github.com/openbao/openbao/commit/c0495646b41cea0e3f5a1030132e9cf5c2375b5c
https://github.com/openbao/openbao/security/advisories/GHSA-v8v8-cm84-m686
https://github.com/openbao/openbao/pull/3152
https://github.com/openbao/openbao
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CVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Incorrect Authorization
CWE-863
EPSS
Base Score:
0.05