Critical severity9.8OSV Advisory· Published Aug 17, 2026· Updated Sep 1, 2026
CVE-2026-74876
CVE-2026-74876
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2(expand)+ 1 more
- (no CPE)
- (no CPE)range: <1.4.0
Patches
Vulnerability mechanics
References
2- github.com/jahlives/openssl_encrypt/security/advisories/GHSA-8h88-gxp3-j7pgnvdMitigationVendor Advisory
- www.vulncheck.com/advisories/openssl-encrypt-before-unverified-key-bundle-encryptionnvdThird Party Advisory
News mentions
1- Jahlives openssl_encrypt: 25 Critical Flaws Including Auth Bypass and Sandbox Escapes Disclosed TogetherVypr Intelligence · Aug 17, 2026