CVE-2026-42508

—

CVSS 3.1

9.1 critical

EPSS

7%p94

Published

May 22, 2026 (May 22, 2026)

Modified

Sep 15, 2026

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.

Vendors: golang
Products: crypto
Weakness: CWE-295
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (7.3%)

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