CVE Watchtower

CVE-2026-41053NVD

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.

Severity Level

HIGH(8.8)

Published Date

Jun 30, 2026

Last Modified

Jul 2, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.45%Probability

Root Weakness (CWE)

CWE-303: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v3.1 Base Metrics

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

External References

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

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Critical Alert 1 Active Exploit Detected Today

CVE-2026-41053NVD

Vulnerability Summary

External References