8.8
HIGH
CVSS 3.1
CVE-2026-41053
Over-inclusive team membership expansion in GitHub App authentication provider for Rancher
Overview
Description
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.
Details
INFO
Published Date :
June 30, 2026, 11:38 a.m.
Last Modified :
June 30, 2026, 11:38 a.m.
Remotely Exploit :
Yes !
Source :
suse
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework
for assessing the severity of vulnerabilities in software and systems.
We collect and displays CVSS scores from various sources for each CVE.
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 404e59f5-483d-4b8a-8e7a-e67604dd8afb |
Solution
Update Rancher to a patched version to fix authentication caching issues.
- Update Rancher to version 2.13.6 or later.
- Update Rancher to version 2.14.2 or later.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-41053 vulnerability anywhere in the article.
EPSS is a daily estimate of the probability of exploitation activity
being observed over the next 30 days. Following chart shows the EPSS
score history of the vulnerability.