CVE-2026-74877: Jahlives OpenSSL Encrypt

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• Jahlives OpenSSL Encrypt: before 1.4.0 (fixed in 1.4.0)

Published 2026-08-17. Last modified 2026-10-08.