Critical severity9.8NVD Advisory· Published Mar 16, 2026· Updated Apr 21, 2026
CVE-2026-32640
CVE-2026-32640
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
simpleevalPyPI | < 1.0.5 | 1.0.5 |
Affected products
4- ghsa-coords3 versionspkg:pypi/simpleevalpkg:rpm/opensuse/python-simpleeval&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/python-simpleeval&distro=openSUSE%20Tumbleweed
< 1.0.5+ 2 more
- (no CPE)range: < 1.0.5
- (no CPE)range: < 0.9.13-bp160.2.1
- (no CPE)range: < 1.0.5-1.1
Patches
Vulnerability mechanics
References
6- github.com/advisories/GHSA-44vg-5wv2-h2hgghsaADVISORY
- github.com/danthedeckie/simpleeval/security/advisories/GHSA-44vg-5wv2-h2hgnvdMitigationVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-32640ghsaADVISORY
- github.com/danthedeckie/simpleeval/releases/tag/1.0.5ghsaWEB
- github.com/pypa/advisory-database/tree/main/vulns/simpleeval/PYSEC-2026-132.yamlghsaWEB
- lists.debian.org/debian-lts-announce/2026/04/msg00023.htmlnvdWEB
News mentions
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