---
id: CVE-2026-90691
title: >-
  A security vulnerability has been detected in 0x4m4 HexStrike AI up to
  d689933ff579d839c676c82b231f8e98326c5f04
summary: >-
  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 Endpoi…
severity: high
cvss: 8.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L'
cwe:
  - CWE-22
vendor: 0x4m4
product: HexStrike AI
affected:
  - hexstrike_ai d689933ff579d839c676c82b231f8e98326c5f04
published: '2026-09-14'
updated: '2026-09-14'
sourceUpdated: '2026-09-14T20:56:48.220'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-90691'
references:
  - url: 'https://github.com/0x4m4/hexstrike-ai/issues/135'
    label: cna@vuldb.com
  - url: 'https://github.com/0x4m4/hexstrike-ai/issues/225'
    label: cna@vuldb.com
  - url: 'https://github.com/0x4m4/hexstrike-ai/pull/159'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-90691'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/914893'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/403224'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/403224/cti'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
  - exploit-available
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-14T16:25:52.880197Z'
ingestedAt: '2026-09-14T15:23:07.464Z'
epss: 0.00429
epssPercentile: 0.3672
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.