Critical severity9.8OSV Advisory· Published Aug 17, 2026· Updated Sep 1, 2026
CVE-2026-74896
CVE-2026-74896
Description
openssl_encrypt versions before 1.4.0 contain a sandbox escape vulnerability in the DangerousPatternVisitor AST analyzer that fails to detect dunder attribute traversal techniques. Attackers can use __class__, __bases__, __subclasses__(), and __globals__ chains to access restricted functions and execute arbitrary system commands from plugin code.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2<1.4.0+ 1 more
- (no CPE)range: <1.4.0
- (no CPE)
Patches
Vulnerability mechanics
References
2- github.com/jahlives/openssl_encrypt/security/advisories/GHSA-w7gr-9g4g-33mxnvdMitigationVendor Advisory
- www.vulncheck.com/advisories/openssl-encrypt-before-sandbox-escape-via-dunder-attribute-traversalnvdThird Party Advisory
News mentions
1- Jahlives openssl_encrypt: 25 Critical Flaws Including Auth Bypass and Sandbox Escapes Disclosed TogetherVypr Intelligence · Aug 17, 2026