Vulnerability 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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Danthedeckie | Simpleeval | < 1.0.5 |
Related Weaknesses (CWE)
References
- https://github.com/danthedeckie/simpleeval/security/advisories/GHSA-44vg-5wv2-h2MitigationVendor Advisory
- https://lists.debian.org/debian-lts-announce/2026/04/msg00023.html
FAQ
What is CVE-2026-32640?
CVE-2026-32640 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 ...
How severe is CVE-2026-32640?
CVE-2026-32640 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-32640?
Check the references section above for vendor advisories and patch information. Affected products include: Danthedeckie Simpleeval.