PraisonAI Affected by Untrusted Remote Template Code Execution
Priority HIGH 76CWE-829Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-829.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00309 23rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed PraisonAI (MervinPraison): 4.5.128PraisonAI (PyPI): 4.5.128
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| MervinPraison | PraisonAI | before 4.5.128 | 4.5.128 | Patch available | CNA |
| — | PraisonAI (PyPI) | before 4.5.128 | 4.5.128 | Patch available | GHSA-pv9q-275h-rh7x |
- PraisonAI VendorMervinPraison Affected before 4.5.128 Fixed in 4.5.128 Patch available CNA
- PraisonAI (PyPI) Vendor— Affected before 4.5.128 Fixed in 4.5.128 Patch available GHSA-pv9q-275h-rh7x
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:praison:praisonai:*:*:*:*:*:*:*:* | before 4.5.128 | Vulnerable | MervinPraison |
- cpe:2.3:a:praison:praisonai:*:*:*:*:*:*:*:* Versions before 4.5.128 Vulnerable ·MervinPraison
Remediation
- Fix · CNA PraisonAI (MervinPraison) Fixed in 4.5.128
- Fix · GHSA-pv9q-275h-rh7x PraisonAI (PyPI) Fixed in 4.5.128 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-40154
- 2026-10-03 Alias added: GHSA-pv9q-275h-rh7x
References
More MervinPraison Praisonai vulnerabilities
- TI-2026-30083 Incomplete fix for CVE-2026-34935: Command Injection in MervinPraison/PraisonAI CVSS 3.1CRITICAL 9.8
- TI-2026-29070 PraisonAI: Critical RCE via `type: job` workflow YAML CVSS 3.1CRITICAL 9.8
- TI-2026-28940 PraisonAI has Server-Side Request Forgery via Unvalidated webhook_url in Jobs API CVSS 3.1CRITICAL 10.0
- TI-2026-28768 PraisonAI Affected by Remote Code Execution via YAML Deserialization in Agent Definition Loading CVSS 3.1CRITICAL 9.8
- TI-2026-27159 PraisonAI: OS Command Injection in MCPHandler.parse_mcp_command() CVSS 3.1CRITICAL 9.8
- TI-2026-27158 PraisonAI: Second-Order SQL Injection in `get_all_user_threads` CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-40154 · CVE Program
- CVE-2026-40154 · NVD
- FIRST EPSS
- GHSA-pv9q-275h-rh7x · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences