CVE-2026-74896
CRITICAL
NVD
CVSS Score
9.8
Severity
CRITICAL
Published
Aug 17, 2026
Vendor
unknown
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.