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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.

PUBLISHED Reserved 2026-03-12 | Published 2026-03-13 | Updated 2026-03-13 | Assigner GitHub_M




HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Problem types

CWE-915: Improperly Controlled Modification of Dynamically-Determined Object Attributes

CWE-94: Improper Control of Generation of Code ('Code Injection')

Product status

< 1.0.5
affected

References

github.com/...leeval/security/advisories/GHSA-44vg-5wv2-h2hg

cve.org (CVE-2026-32640)

nvd.nist.gov (CVE-2026-32640)

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