RCE in 0x4m4 Hexstrike Ai
CVE-2026-90619
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.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.014 (70.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
Affected products
- 0x4m4 Hexstrike Ai — versions d689933ff579d839c676c82b231f8e98326c5f04
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (issue-tracking, exploit)
Frequently asked questions
- What is CVE-2026-90619?
- CVE-2026-90619 is a high-severity vulnerability in 0x4m4 Hexstrike Ai, classified under Command Injection. CVSS score: 7.3/10. Published 2026-09-14.
- How severe is CVE-2026-90619?
- High severity. CVSS v3 base score is 7.3 out of 10.