CVE-2026-906900x4m4 HexStrike AI API Tools Endpoint hexstrike_server.py subprocess.Popen os command injection
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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
- 7.3 HIGH (v3.1, CNA)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
- Weakness (CWE)
- CWE-78, CWE-77
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Sep 16, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
0x4m4 HexStrike AI 0x4m4:hexstrike_ai | d689933ff579d839c676c82b231f8e98326c5f04 | CNA record |
References
- https://vuldb.com/vuln/403223vdb-entry, technical-description
- https://vuldb.com/vuln/403223/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-90690third-party-advisory
- https://vuldb.com/submit/914892third-party-advisory
- https://github.com/0x4m4/hexstrike-ai/issues/224exploit, issue-tracking
- https://github.com/0x4m4/hexstrike-ai/pull/266issue-tracking, patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.