CVE-2026-74877

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.

CVSS Vector

References

• https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-hvc7-763r-4f3h
• https://www.vulncheck.com/advisories/openssl-encrypt-before-missing-ownership-verification-via-revoke-key