CVE-2026-40158: PraisonAI Vulnerable to Code Injection and Protection Mechanism Failure

April 10, 2026

PraisonAI’s AST-based Python sandbox can be bypassed using type.__getattribute__ trampoline, allowing arbitrary code execution when running untrusted agent code.

References

github.com/MervinPraison/PraisonAI
github.com/MervinPraison/PraisonAI/releases/tag/v4.5.128
github.com/MervinPraison/PraisonAI/security/advisories/GHSA-3c4r-6p77-xwr7
github.com/advisories/GHSA-3c4r-6p77-xwr7
nvd.nist.gov/vuln/detail/CVE-2026-40158

Code Behaviors & Features

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