CVE-2026-40154

PraisonAI Affected by Untrusted Remote Template Code Execution

At a glance

Severity: CRITICAL 9.3
EPSS: EPSS 0.30 % · percentile 23 (2026-10-27)
State: PUBLISHED
Published: 2026-04-09
Updated: 2026-04-10
Assigner: GitHub_M
NVD status: Analyzed

Description

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.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	CRITICAL 9.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N	GitHub_M
CVSS 3.1	CRITICAL 9.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N	NVD · security-advisories@github.com (Secondary)
CVSS 3.1	CRITICAL 9.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H	NVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

CWE-829

Advisories

GHSA-pv9q-275h-rh7x — PraisonAI Vulnerable Untrusted Remote Template Code Execution
PYSEC-2026-476 — PraisonAI Vulnerable Untrusted Remote Template Code Execution

European references

ENISA EUVD · EUVD-2026-21212
GCVE · GCVE-0-2026-40154

Affected configurations (NVD CPE)

cpe:2.3:a:praison:praisonai:*:*:*:*:*:*:*:* < 4.5.128

Affected products

Product	Versions
MervinPraison · PraisonAI	affected < 4.5.128

References

https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-pv9q-275h-rh7x

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