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CVE-2026-39891 - Vulnerability Analysis

HighCVSS: 8.8

Last Updated: April 8, 2026

PraisonAI - Template Injection

Published: April 8, 2026Updated: April 8, 2026Remote Exploitable

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

Severity: High

CVSS Score: 8.8

Impact

Attackers can execute arbitrary template expressions, potentially leading to code execution or data manipulation.

Mitigation

Update to version 4.5.115 or later.

References

https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-hwg5-x759-7wjg

Related Resources

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Details

CVE ID: CVE-2026-39891
Severity: High
CVSS Score: 8.8
Type: template_injection
Status: unconfirmed

CWE

CWE-94

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H