CVE-2026-39891
Last modified
CVE-2026-39891 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. EPSS estimates a 0.56% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Praison | Praisonai | <= 4.5.114 |
References
- https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-hwg5-x759-7wjgExploit, Vendor Advisory
- https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-hwg5-x759-7wjgExploit, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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