CVE-2026-74877 — openssl_encrypt before 1.4.0 Missing Ownership Verification via revoke_key
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 clien…
Published: 2026-08-17 · CVSS: 8.7 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7