CVE-2026-74877
HIGH
NVD
CVSS Score
8.8
Severity
HIGH
Published
Aug 17, 2026
Vendor
unknown
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.