CVE WatchJul 15, 2026

CVE-2026-32640

SimpleEval is a library for adding evaluatable expressions into python projects. Prior to 1.0.5, objects (including modules) can leak danger

CVSS

9.8

Critical

EPSS

0.5%

p41

KEV

—

Exploit Today

0-100

Published: Mar 16, 2026 · Last modified: Jul 15, 2026 · CWE-94 · CWE-915

EPSS · 30d

0.5%EPSS · 30 days0.5%

2026-06-302026-07-17

Technical description

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.

Official references

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