Critical severity10.0NVD Advisory· Published Apr 3, 2026· Updated Apr 14, 2026
CVE-2026-34938
CVE-2026-34938
Description
PraisonAI is a multi-agent teams system. Prior to version 1.5.90, execute_code() in praisonai-agents runs attacker-controlled Python inside a three-layer sandbox that can be fully bypassed by passing a str subclass with an overridden startswith() method to the _safe_getattr wrapper, achieving arbitrary OS command execution on the host. This issue has been patched in version 1.5.90.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
praisonaiagentsPyPI | < 1.5.90 | 1.5.90 |
Affected products
2Patches
Vulnerability mechanics
References
3- github.com/MervinPraison/PraisonAI/security/advisories/GHSA-6vh2-h83c-9294nvdExploitVendor AdvisoryWEB
- github.com/advisories/GHSA-6vh2-h83c-9294ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-34938ghsaADVISORY
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