CVE-2026-74896

Critical

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.

SeverityCritical

CVSS9.8

Exploit probability—

ProductJahlives Openssl Encrypt

PublishedAug 17, 2026

First seenAug 17, 2026

Weakness typeCWE-693CWE-693

How to fix

Update

jahlives openssl_encrypt1.4.0 or later
openssl-encrypt1.4.0 or later

Vendor advisories

github.com/jahlives/openssl_encrypt/security/advisories/GHSA-w7gr-9g4g-33mx

Affected products

Product	Affected versions	Fixed in
jahlives openssl_encrypt	v < 1.4.0	1.4.0
openssl-encryptPyPI	v < 1.4.0	1.4.0

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