High severity · published Sep 14, 2026
CVE-2026-90620
0x4m4 HexStrike AI API Command Endpoint hexstrike_server.py missing authentication
7.3
CVSS
0.7%
EPSS
No
On KEV
Description
A vulnerability was determined in 0x4m4 HexStrike AI up to d689933ff579d839c676c82b231f8e98326c5f04. The impacted element is an unknown function of the file hexstrike_server.py of the component API Command Endpoint. This manipulation causes missing authentication. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HA
HexStrike AI · 0x4m4
d689933ff579d839c676c82b231f8e98326c5f04 · source: vendor
Affected product
HA
HexStrike AI
0x4m4
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