0x4m4 HexStrike AI up to d689933ff579d839c676c82b231f8e98326c5f04 API Command Endpoint hexstrike_server.py missing authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.6$0-$5k1.25+

Summaryinfo

A vulnerability, which was classified as critical, was found in 0x4m4 HexStrike AI up to d689933ff579d839c676c82b231f8e98326c5f04. This affects an unknown function of the file hexstrike_server.py of the component API Command Endpoint. Such manipulation leads to missing authentication. This vulnerability is uniquely identified as CVE-2026-90620. The attack can be launched remotely. Moreover, an exploit is present. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability, which was classified as critical, has been found in 0x4m4 HexStrike AI up to d689933ff579d839c676c82b231f8e98326c5f04. Affected by this issue is some unknown functionality of the file hexstrike_server.py of the component API Command Endpoint. The manipulation with an unknown input leads to a missing authentication vulnerability. Using CWE to declare the problem leads to CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. Impacted is confidentiality, integrity, and availability.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-90620. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

09/12/2026 Advisory disclosed
09/12/2026 +0 days VulDB entry created
09/12/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 223
Status: Not defined

CVE: CVE-2026-90620 (🔒)
GCVE (CVE): GCVE-0-2026-90620
GCVE (VulDB): GCVE-100-403202
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/12/2026 22:24
Changes: 09/12/2026 22:24 (60)
Complete: 🔍
Submitter: ez-lbz
Cache ID: 216::103

Submitinfo

Accepted

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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