CRITICALVulnerability
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NVD CRITICAL: CVE-2026-74876 — openssl_encrypt versions before 1.4.0 contain a vulnerability in PublicKeyBundle...

·Source: NIST NVD

Updated:

Executive Summary

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.

Analysis

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. CVSS Score: 9.8. Published: 2026-08-17T11:16:42.073.

Indicators of Compromise (1)

CVE (1)
CVE-2026-74876
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Aug 17, 2026. Verified by: NIST.

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