CVE-2026-39307

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

At a glance

Severity: HIGH 8.1
EPSS: EPSS 0.31 % · percentile 24 (2026-10-27)
State: PUBLISHED
Published: 2026-04-07
Updated: 2026-04-09
Assigner: GitHub_M
NVD status: Analyzed

Description

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.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	HIGH 8.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H	GitHub_M
CVSS 3.1	HIGH 8.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H	NVD · security-advisories@github.com (Secondary)

Weaknesses (CWE)

CWE-22

Advisories

GHSA-4ph2-f6pf-79wv — PraisonAI Has Arbitrary File Write (Zip Slip) in Templates Extraction
PYSEC-2026-2899 — PraisonAI Has Arbitrary File Write (Zip Slip) in Templates Extraction

European references

ENISA EUVD · EUVD-2026-19800
GCVE · GCVE-0-2026-39307

Affected configurations (NVD CPE)

cpe:2.3:a:praison:praisonai:*:*:*:*:*:*:*:* ≤ 4.5.112

Affected products

Product	Versions
MervinPraison · PraisonAI	affected < 4.5.113

References

https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-4ph2-f6pf-79wv

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD