CVE-2026-41053
Published:June 30, 2026
Updated:July 21, 2026
Incorrect authentication caching in the team member ship expansion of the Rancher Github authentication provider caused it granting principal access to any logged in user, in 2.13 before 2.13.6 and 2.14 before 2.14.2.
Affected Packages
github.com/rancher/rancher (GO):
Affected version(s) >=v2.13.0 <v2.13.6Fix Suggestion:
Update to version v2.13.6github.com/rancher/rancher (GO):
Affected version(s) >=v2.14.0 <v2.14.2Fix Suggestion:
Update to version v2.14.2Related Resources (7)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Incorrect Implementation of Authentication Algorithm
EPSS
Base Score:
0.37