CVE-2026-90690

HIGH 7.3

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

CVSS Score

7.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-78 CWE-77
Vendor	0x4m4
Product	hexstrike ai
Published	Sep 14, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

0x4m4 / HexStrike AI

d689933ff579d839c676c82b231f8e98326c5f04

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/403223 vuldb.com: https://vuldb.com/vuln/403223/cti vuldb.com: https://vuldb.com/cve/CVE-2026-90690 vuldb.com: https://vuldb.com/submit/914892 github.com: https://github.com/0x4m4/hexstrike-ai/issues/224 github.com: https://github.com/0x4m4/hexstrike-ai/pull/266

Credits

🔍 ez-lbz (VulDB User) VulDB CNA Team