CVE-2026-39307

PraisonAI has an Arbitrary File Write (Zip Slip) in Templates Extraction

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.

Affected

MervinPraison · PraisonAI

CVSS v3.1 GITHUB

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

EPSS

0.46% chance of exploitation in the next 30 days, 39th percentile

Published

2026-04-07

Updated

2026-04-09

Proof-of-concept exploits (1)

• advisories/GHSA-4ph2-f6pf-79wv

Security advisories

• MervinPraison/PraisonAI/security/advisories/GHSA-4ph2-f6pf-79wv

References

• CVE Record
• NVD entry