CVE-2026-74896

jahlives openssl_encrypt

Published 17 Aug 2026 · updated 1 Sept 2026 · Analyzed

9.3 Critical · CVSS 4.0, vulncheck.com

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.

References

github.com/jahlives/openssl_encrypt/security/advisories/GHSA-w7gr-9g4g-33mx · Mitigation, Vendor Advisory
www.vulncheck.com/advisories/openssl-encrypt-before-sandbox-escape-via-dunder-attribute-traversal · Third Party Advisory