CVE-2026-90691
8.3 · HIGHA security vulnerability has been detected in 0x4m4 HexStrike AI up to d689933ff579d839c676c82b231f8e98326c5f04.
Overview
CVE-2026-90691 is a high-severity vulnerability. It was published on September 14, 2026 and has a CVSS 3.1 base score of 8.3 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
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Frequently asked questions
What is CVE-2026-90691?
CVE-2026-90691 is a high-severity vulnerability. It was published on September 14, 2026 and has a CVSS 3.1 base score of 8.3 (HIGH).
How severe is CVE-2026-90691?
This vulnerability has a CVSS 3.1 base score of 8.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-90691?
Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-90691?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-90691 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.
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