CVE-2026-42186

LOW CVSS 4.0: 2.3 EPSS 0.25%
Updated Jun 17, 2026
Openbao
Parameter Value
CVSS 2.3 (LOW)
Affected Versions before 2.5.3
Fixed In 2.5.3
Type CWE-212
Vendor Openbao
Public PoC No

OpenBao is an open source identity-based secrets management system. Prior to 2.5.3, when OpenBao's initial namespace deletion fails, subsequent retries fail to properly remove all data before marking the namespace as deleted. This can affect any outstanding leases as well as potentially leaving unrelated storage entries around.

This vulnerability is fixed in 2.5.3.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Openbao Openbao
cpe:2.3:a:openbao:openbao:*:*:*:*:*:*:*:*
2.5.3