CVE-2026-41053 high vulnerability summary
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.
CVE-2026-41053 is a High severity vulnerability notice that security teams should triage for exposure in their own environments.
What to review
The affected area appears to involve Incorrect authentication caching in the team member ship expansion of the Rancher Github authentication provider caused it granting. Administrators should compare this notice against their asset inventory, dependency list, and externally exposed services.
Recommended action
Confirm whether the affected product or library is present, review vendor guidance, prioritize patching based on internet exposure and severity, and monitor logs for suspicious behavior tied to the affected component.
This brief is based on information from Tenable Newest CVEs . Please refer to the original source for the complete advisory and vendor-specific guidance.
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