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Vulnerability record · CVE-2026-41053 · published 30 June 2026

CVE-2026-41053: Suse rancher vulnerability

Suse · Rancher

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.

8.8 CVSS 3.1 High EPSS 0.52% · top 57.9% CWE-303 · CWE-303
8.8CVSS 3.1 base score
0.52%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
2 Jul 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/rancher/rancher/security/advisories/GHSA-4j6x-2764-m8gh PatchVendor AdvisoryMitigation

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.9CVE-2023-22651Suse rancher improper privilege management vulnerabilityImproper Privilege Management vulnerability in SUSE Rancher allows Privilege Escalation. A failure in the update logic of Rancher's admission Webhook…EPSS 0.78%9.9CVE-2021-36782Suse rancher cleartext storage of sensitive data vulnerabilityA Cleartext Storage of Sensitive Information vulnerability in SUSE Rancher allows authenticated Cluster Owners, Cluster Members, Project Owners, Proj…EPSS 4.2%9.9CVE-2021-36783Suse rancher insufficiently protected credentials vulnerabilityA Insufficiently Protected Credentials vulnerability in SUSE Rancher allows authenticated Cluster Owners, Cluster Members, Project Owners and Project…EPSS 0.78%9.8CVE-2022-43755Suse rancher vulnerabilityA Insufficient Entropy vulnerability in SUSE Rancher allows attackers that gained knowledge of the cattle-token to continue abusing this even after t…EPSS 1.7%9.8CVE-2019-11202Suse rancher improper authentication vulnerabilityAn issue was discovered that affects the following versions of Rancher: v2.0.0 through v2.0.13, v2.1.0 through v2.1.8, and v2.2.0 through 2.2.1. When…EPSS 1.6%9.5CVE-2026-44946Suse rancher authentication bypass by capture-replay vulnerabilityA SAML authentication replay vulnerability in Rancher's Assertion Consumer Service (ACS) handler did not enforce one-time use of SAML assertion, pote…EPSS 0.39%9.4CVE-2026-41052Suse rancher vulnerabilityImproper privilege handling could be used by users with Project Owner role to escalate privileges, in Rancher versions 2.14 before 2.14.2, 2.13 befor…EPSS 0.42%9.1CVE-2022-31247Suse rancher improper authorization vulnerabilityAn Improper Authorization vulnerability in SUSE Rancher, allows any user who has permissions to create/edit cluster role template bindings or project…EPSS 0.98%

Source: NIST National Vulnerability Database (record CVE-2026-41053), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.