CVE-2026-90690: medium-severity vulnerability in 0x4m4 HexStrike AI
0x4m4 HexStrike AI API Tools Endpoint hexstrike_server.py subprocess.Popen os command injection
Published · Updated
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33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 6.9epss 2.1%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
0x4m4 · HexStrike AIpublic PoCs found — 1
cve_referencegithub.com/0x4m4/hexstrike-ai/issues/224unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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