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CVE-2026-74876

9.3 critical SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 9.3 · jahlivesNVD modified 2026-10-08 16:17

Affected (CPE criteria) 1

  • cpe:2.3:a:jahlives:openssl_encrypt:*:*:*:*:*:python:*:*

References 2