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CVE-2026-90690

0x4m4 HexStrike AI API Tools Endpoint hexstrike_server.py subprocess.Popen os command injection

CVSS 4.0 6.9 MEDIUMCVSS 3.1 7.3 HIGHCVSS 3.0 7.3 HIGHCVSS 2.0 7.5 Check source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-90690

Published

A weakness has been identified in 0x4m4 HexStrike AI up to d689933ff579d839c676c82b231f8e98326c5f04. The affected element is the function subprocess.Popen of the file hexstrike_server.py of the component API Tools Endpoint. Executing a manipulation of the argument additional_args/target/username/password/scan_type/payload can lead to os command injection. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. A fix appears to be in progress.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-90690

Published

HexStrike AI

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "0x4m4",
                    "product": "HexStrike AI",
                    "versions": [
                        {
                            "version": "d689933ff579d839c676c82b231f8e98326c5f04",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:0x4m4:hexstrike_ai:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "API Tools Endpoint"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON