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OpenAdvisories
High · 7.3 CVE-2026-61438 EUVD-2026-44643GHSA-26mh-57q7-jfvrGHSA-qh3g-555w-f82q

PraisonAI before 4.6.78 Remote Code Execution via Broken AST Sandbox

Published Jul 15, 2026 · Updated Jul 15, 2026 · Assigned by VulnCheck

Description

PraisonAI before 4.6.78 contains a remote code execution vulnerability in JobWorkflowExecutor._exec_inline_python() due to insufficient AST validation of workflow script steps. Attackers can create malicious YAML workflow files with import os statements followed by os.system() calls that bypass sandbox checks and execute arbitrary OS commands with process privileges.

Affected products

VendorProductAffectedFixed
MervinPraison PraisonAI < 4.6.78 4.6.78

Affected packages

EcosystemPackageAffectedFixedRecord
PyPI praisonai < 4.6.78 4.6.78 GHSA-26mh-57q7-jfvr

References