CVE-2026-40088 — CRITICAL (9.6)

Q: How severe is CVE-2026-40088?

CVE-2026-40088 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2026-40088?

Check the references section above for vendor advisories and patch information. Affected products include: Praison Praisonai.

Vulnerability Description

PraisonAI is a multi-agent teams system. Prior to 4.5.121, the execute_command function and workflow shell execution are exposed to user-controlled input via agent workflows, YAML definitions, and LLM-generated tool calls, allowing attackers to inject arbitrary shell commands through shell metacharacters. This vulnerability is fixed in 4.5.121.

CVSS Score

9.6

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Praison	Praisonai	< 4.5.121

Related Weaknesses (CWE)

CWE-78

References

https://github.com/MervinPraison/PraisonAI/releases/tag/v4.5.121Release Notes
https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-2763-cj5r-c7ExploitVendor Advisory

FAQ

What is CVE-2026-40088?

CVE-2026-40088 is a vulnerability with a CVSS score of 9.6 (CRITICAL). PraisonAI is a multi-agent teams system. Prior to 4.5.121, the execute_command function and workflow shell execution are exposed to user-controlled input via agent workflows, YAML definitions, and LLM...

How severe is CVE-2026-40088?

CVE-2026-40088 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-40088?

Check the references section above for vendor advisories and patch information. Affected products include: Praison Praisonai.