CVE-2026-39307 HIGH

CVE-2026-39307: PraisonAI has an Arbitrary File Write (Zip Slip) in Templates Extraction

Vendor Mervinpraison
Product PraisonAI
Weakness CWE-22 · Path traversal
Published April 7, 2026
Last update April 9, 2026

CVSS base score

8.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

PraisonAI is a multi-agent teams system. Prior to 1.5.113, The PraisonAI templates installation feature is vulnerable to a "Zip Slip" Arbitrary File Write attack. When downloading and extracting template archives from external sources (e.g., GitHub), the application uses Python's zipfile.extractall() without verifying if the files within the archive resolve outside of the intended extraction directory. This vulnerability is fixed in 1.5.113.

Key dates

02Disclosure timeline

April 7, 2026 CVE published
April 9, 2026 Record updated