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CVE PROGRAM SOURCE RECORD9.3 Critical

CVE-2026-74899

openssl_encrypt before 1.4.0 Sandbox Escape via Type Hierarchy

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Status
Published
Published
Updated
Assigning organization
VulnCheck

Description

openssl_encrypt versions before 1.4.0 contain a sandbox escape vulnerability in IsolatedPluginExecutor that exposes Python type objects in restricted exec() builtins. Attackers can traverse the Python class hierarchy via __class__.__mro__.__subclasses__() to access system functions and execute arbitrary OS commands.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

jahlives openssl_encrypt

Default version status: unaffected

  • 0 to < 1.4.0affected
  • 1.4.0unaffected
pkg:pypi/openssl_encrypt

References