CVE-2026-39891 - Vulnerability Analysis
HighCVSS: 8.8Last Updated: April 9, 2026
PraisonAI - Template Injection
Overview
PraisonAI < 4.5.115 contains a template injection caused by unescaped user input in create_agent_centric_tools() function, letting attackers execute arbitrary template expressions, exploit requires crafted input via agent.start().
Severity & Score
Impact
Attackers can execute arbitrary template expressions, potentially leading to code execution or data manipulation.
Mitigation
Update to version 4.5.115 or later.
Social Media Activity(2 posts)
š CVE-2026-39891 - High (8.8) 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 int... š https://www.thehackerwire.com/vulnerability/CVE-2026-39891/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack
View original postš CVE-2026-39891 - High (8.8) 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 int... š https://www.thehackerwire.com/vulnerability/CVE-2026-39891/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack
View original postRelated Resources
Details
- CVE ID
- CVE-2026-39891
- Severity
- High
- CVSS Score
- 8.8
- Type
- template_injection
- Status
- unconfirmed
- EPSS
- 4.7%
- Social Posts
- 2
CWE
- CWE-94
CVSS Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H