CVE-2026-40154: Praison Praisonai

Critical severity, CVSS 9.6. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• Praison Praisonai: before 4.5.128 (fixed in 4.5.128)

Published 2026-04-09. Last modified 2026-06-17.