CVE-2026-41053 HIGH

CVE-2026-41053: Over-inclusive team membership expansion in GitHub App authentication provider for Rancher

Vendor Suse
Product Rancher
Weakness CWE-303
Published June 30, 2026
Last update July 1, 2026
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 30, 2026 CVE published
July 1, 2026 Record updated