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
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| jahlives | openssl_encrypt | < 1.4.0 | 1.4.0 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | openssl-encrypt | < 1.4.0 | 1.4.0 | PYSEC-2026-3727 |
References
- GitHub Security Advisory (GHSA-m25m-ggxg-239c) vendor-advisory
- VulnCheck Advisory: openssl_encrypt before 1.4.0 Sandbox Escape via Type Hierarchy third-party-advisory