VULNERABILITY INTELLIGENCE

CVE-2026-74876

CVSS score9.8 CRITICAL
EPSS probability0.35%
CISA KEVNot currently listed
Published2026-08-17
Last modified2026-10-08
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

openssl_encrypt versions before 1.4.0 contain a vulnerability in PublicKeyBundle.from_dict() that creates key bundles from untrusted data without verifying signatures. Attackers can call from_dict() followed by to_identity() without signature verification to encrypt data using attacker-controlled public keys, leaking secrets.

Weakness classification

  • disclosure@vulncheck.com: CWE-347

Primary references