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CVE-2026-74896PYSEC-2026-3771GHSA-W7GR-9G4G-33MX

openssl_encrypt before 1.4.0 Sandbox Escape via Dunder Attribute Traversal

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 1.4.0
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: yes
  • Technical impact: total

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: yes · Technical impact: total

  3. Record last updated

Affected versions

  • jahlives openssl_encrypt

    fixed in 1.4.0

  • openssl-encryptPyPI

    fixed in 1.4.0

References 2

GitHub · jahlives/openssl_encrypt

vulncheck.com