CVE-2026-40154 CRITICAL

CVE-2026-40154: PraisonAI Affected by Untrusted Remote Template Code Execution

Vendor Mervinpraison
Product PraisonAI
Weakness CWE-829 · Inclusion from untrusted sphere
Published April 9, 2026
Last update April 10, 2026
View on NVD All CVEs

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

PraisonAI is a multi-agent teams system. Prior to 4.5.128, PraisonAI treats remotely fetched template files as trusted executable code without integrity verification, origin validation, or user confirmation, enabling supply chain attacks through malicious templates. This vulnerability is fixed in 4.5.128.

Key dates

02Disclosure timeline

April 9, 2026 CVE published
April 10, 2026 Record updated