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CVE-2026-42508

NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-42508

Severity

9.1

Critical

CVSS V3

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Summary

Invoking auth bypass via unenforced @revoked status in golang.org/x/crypto/ssh/knownhosts

Description

Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked.

References

Affected packages

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