CVE-2026-55775
Published:June 19, 2026
Updated:August 27, 2026
A user that is granted namespace management ("/sys/namespaces") capabilities within a non-root namespace ("the victim namespace") can abuse special handling of the literal path ""root"" in namespace path canonicalization to manage the victim namespace itself.
Affected Packages
https://github.com/openbao/openbao.git (GITHUB):
Affected version(s) >=v2.0.0-alpha20240329 <v2.5.5Fix Suggestion:
Update to version v2.5.5github.com/openbao/openbao (GO):
Affected version(s) >=v0.0.0-20231109181733-93b1d803cb32 <v0.0.0-20260617103935-d3c1cc64b1aeFix Suggestion:
Update to version v0.0.0-20260617103935-d3c1cc64b1aeRelated Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
2.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.4
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
LOW
Weakness Type (CWE)
Improper Authorization