CVE-2026-32640
CriticalCVSS 9.8Exploitation Probability (EPSS)
Low risk40th percentile - higher than 40% of all known CVEs
Summary
The SimpleEval library before version 1.0.5 allows dangerous modules and functions to leak into the expression sandbox. Attackers can access prohibited objects through attributes of passed names or by passing them as callbacks to safe functions.
Risk Assessment
The organization is at risk of unauthorized code execution within the sandbox, potentially leading to privilege escalation, data leakage, or application takeover.
Recommendation
Immediately update the SimpleEval library to version 1.0.5 or later, which contains the fix for this vulnerability.
Original NVD description (English source)
SimpleEval is a library for adding evaluatable expressions into python projects. Prior to 1.0.5, objects (including modules) can leak dangerous modules through to direct access inside the sandbox. If the objects you've passed in as names to SimpleEval have modules or other disallowed / dangerous objects available as attrs. Additionally, dangerous functions or modules could be accessed by passing them as callbacks to other safe functions to call. The latest version 1.0.5 has this issue fixed. This vulnerability is fixed in 1.0.5.