CVE-2026-26995

ADVISORY - github

Summary

The padding extension was incorrectly removed in utls for the non-pq variant of Chrome 120 fingerprint. Chrome removed this extension only when sending pq keyshares. Only this fingerprint is affected since newer fingerprints have pq keyshares by default and older fingerprints have this extension.

Affected symbols: HelloChrome_120

Fix commit: 8fe0b08e9a0e7e2d08b268f451f2c79962e6acd0

Thanks to telegram @acgdaily for reporting this issue.

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-noinfo⁠

ADVISORY - github

CWE-200⁠

Exposure of Sensitive Information to an Unauthorized Actor

Impacted images

Advisories

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