8.3
HIGH CVSS 3.1
CVE-2026-90691
0x4m4 HexStrike AI API Files Endpoint hexstrike_server.py FileOperationsManager path traversal
Description

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.

INFO

Published Date :

Sept. 14, 2026, 7:17 a.m.

Last Modified :

Sept. 14, 2026, 7:17 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-90691 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.1 HIGH [email protected]
CVSS 4.0 MEDIUM [email protected]
Solution
Patch the FileOperationsManager function in hexstrike_server.py to prevent path traversal.
  • Sanitize the filename argument.
  • Validate file paths carefully.
  • Update the API Files Endpoint component.
  • Apply vendor patches when available.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-90691 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-90691 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-90691 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Sep. 14, 2026

    Action Type Old Value New Value
    Added Description 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CWE CWE-22
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/90xxx/CVE-2026-90691.json">CVE-2026-90691</a>
    Added Reference https://github.com/0x4m4/hexstrike-ai/issues/135
    Added Reference https://github.com/0x4m4/hexstrike-ai/issues/225
    Added Reference https://github.com/0x4m4/hexstrike-ai/pull/159
    Added Reference https://vuldb.com/cve/CVE-2026-90691
    Added Reference https://vuldb.com/submit/914893
    Added Reference https://vuldb.com/vuln/403224
    Added Reference https://vuldb.com/vuln/403224/cti
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.