VULNERABILITY INTELLIGENCE

CVE-2026-74877

CVSS score8.8 HIGH

EPSS probability0.45%

CISA KEVNot currently listed

Published2026-08-17

Last modified2026-10-08

Description

openssl_encrypt versions before 1.4.0 contain a missing ownership verification vulnerability in the revoke_key method that allows authenticated clients to revoke any other client's key. Attackers can revoke arbitrary keys by providing a valid ML-DSA signature, bypassing the intended ownership restriction.