CVE-2026-61438
PraisonAI before 4.6.78 Remote Code Execution via Broken AST Sandbox
- State
- Published
- Severity
- 7.0 High
- Published
- Jul 15, 2026
- Updated
- Jul 15, 2026
- Reserved
- Jul 9, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.0 High | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.3 High | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Affected Products
| Product | Versions |
|---|---|
PraisonAIMervinPraison |
|
References
- GitHub Security Advisory (GHSA-26mh-57q7-jfvr)vendor-advisory
- VulnCheck Advisory: PraisonAI before 4.6.78 Remote Code Execution via Broken AST Sandboxthird-party-advisory
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.