0x4m4 HexStrike AI Execute Endpoint hexstrike_server.py os command injection
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-77.
Summary
A vulnerability has been found in 0x4m4 HexStrike AI up to d689933ff579d839c676c82b231f8e98326c5f04. Impacted is an unknown function of the file hexstrike_server.py of the component Execute Endpoint. The manipulation of the argument code/script leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-90619
- 2026-10-03 Alias added: GHSA-crrg-2r24-3g67
References
More 0x4m4 vulnerabilities
- TI-2025-24558 HexStrike AI MCP Server Command Injection CVSS 3.1CRITICAL 9.1
- TI-2026-61648 0x4m4 HexStrike AI API Files Endpoint hexstrike_server.py FileOperationsManager path traversal CVSS 4.0MEDIUM 6.9
- TI-2026-61647 0x4m4 HexStrike AI API Tools Endpoint hexstrike_server.py subprocess.Popen os command injection CVSS 4.0MEDIUM 6.9
- TI-2026-61626 0x4m4 HexStrike AI API Command Endpoint hexstrike_server.py missing authentication CVSS 4.0MEDIUM 6.9
Sources
- CVE-2026-90619 · CVE Program
- CVE-2026-90619 · NVD
- FIRST EPSS
- GHSA-crrg-2r24-3g67 · 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