Path Traversal in 0x4m4 Hexstrike Ai
CVE-2026-90691
A security vulnerability has been detected in 0x4m4 HexStrike AI up to d689933ff579d839c676c82b231f8e98326c5f04. The impacted element is the function FileOperationsManager of the file hexstrike_server.py of the component API Files Endpoint. The manipulation of the argument filename leads to path traversal. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.004 (36.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/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)
- cna@vuldb.com (issue-tracking, patch)
- cna@vuldb.com (issue-tracking, exploit)
Frequently asked questions
- What is CVE-2026-90691?
- CVE-2026-90691 is a high-severity vulnerability in 0x4m4 Hexstrike Ai, classified under Path Traversal. CVSS score: 8.3/10. Published 2026-09-14.
- How severe is CVE-2026-90691?
- High severity. CVSS v3 base score is 8.3 out of 10.