Vulnerability 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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Jahlives | Openssl Encrypt | < 1.4.0 |
Related Weaknesses (CWE)
References
- https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-w7gr-9g4g-3MitigationVendor Advisory
- https://www.vulncheck.com/advisories/openssl-encrypt-before-sandbox-escape-via-dThird Party Advisory
- https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-w7gr-9g4g-3MitigationVendor Advisory
FAQ
What is CVE-2026-74896?
CVE-2026-74896 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 _...
How severe is CVE-2026-74896?
CVE-2026-74896 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-74896?
Check the references section above for vendor advisories and patch information. Affected products include: Jahlives Openssl Encrypt.