CVE-2026-90691 0x4m4 HexStrike AI API Files Endpoint hexstrike_server.py FileOperationsManager path traversal
Remote attackers can exploit a path traversal flaw in the HexStrike AI API to read or modify arbitrary files on the server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-90691?
CVE-2026-90691 is a medium-severity path traversal vulnerability in 0x4m4 HexStrike AI, published on 14 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-22
Which versions are affected by CVE-2026-90691?
How do I fix CVE-2026-90691?
No fix has been published for CVE-2026-90691 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-90691 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90691 exists.
Sources
Also known as GHSA-qr7w-g3j4-2vq2.