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TI-2026-61647 Aliases CVE-2026-90690GHSA-7qpm-mq3q-crwx

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

Priority HIGH 70CWE-77Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-77.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.02109 81st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
0x4m4HexStrike AId689933ff579d839c676c82b231f8e98326c5f04—No fix listedCNA
  • HexStrike AI Vendor0x4m4 Affected d689933ff579d839c676c82b231f8e98326c5f04 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:0x4m4:hexstrike_ai:*:*:*:*:*:*:*:*——0x4m4
  • cpe:2.3:a:0x4m4:hexstrike_ai:*:*:*:*:*:*:*:* Versions — — ·0x4m4

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-90690
  2. 2026-10-03 Alias added: GHSA-7qpm-mq3q-crwx

References

Exploit 1

Patch 1

  • TI-2025-24558 HexStrike AI MCP Server Command Injection CVSS 3.1CRITICAL 9.1
  • TI-2026-61648 0x4m4 HexStrike AI API Files Endpoint hexstrike_server.py FileOperationsManager path traversal CVSS 4.0MEDIUM 6.9
  • TI-2026-61626 0x4m4 HexStrike AI API Command Endpoint hexstrike_server.py missing authentication CVSS 4.0MEDIUM 6.9
  • TI-2026-61625 0x4m4 HexStrike AI Execute Endpoint hexstrike_server.py os command injection CVSS 4.0MEDIUM 6.9

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences