What is CVE-2026-41053?

CVE-2026-41053 is a high-severity vulnerability in Suse Rancher, classified under Incorrect Implementation of Authentication Algorithm. CVSS score: 8.8/10. Published 2026-06-30.

How severe is CVE-2026-41053?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Suse Rancher

CVE-2026-41053

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.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Suse Rancher — versions 2.14.0, 2.13.0

Weakness classification (CWE)

CWE-303 — Incorrect Implementation of Authentication Algorithm

References

meissner@suse.de (vendor-advisory)

Frequently asked questions

What is CVE-2026-41053?: CVE-2026-41053 is a high-severity vulnerability in Suse Rancher, classified under Incorrect Implementation of Authentication Algorithm. CVSS score: 8.8/10. Published 2026-06-30.
How severe is CVE-2026-41053?: High severity. CVSS v3 base score is 8.8 out of 10.