CVE-2026-41053
Last modified
CVE-2026-41053 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.37% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Suse | Rancher | >= 2.13.0, < 2.13.6 |
| Suse | Rancher | >= 2.14.0, < 2.14.2 |
References
- https://github.com/rancher/rancher/security/advisories/GHSA-4j6x-2764-m8ghPatch, Vendor Advisory, Mitigation
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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