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CVE-2026-39891

HIGH CVSS 3.1: 8.8 EPSS 0.02%
Updated Apr 09, 2026
Praisonai
Parameter Value
CVSS 8.8 (HIGH)
Fixed In 4.5.115
Type CWE-94 (Code Injection)
Vendor Praisonai
Public PoC No

PraisonAI is a multi-agent teams system. Prior to 4.5.115, the create_agent_centric_tools() function returns tools (like acp_create_file) that process file content using template rendering. When user input from agent.start() is passed directly into these tools without escaping, template expressions in the input are executed rather than treated as literal text.

This vulnerability is fixed in 4.5.115.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)