Command Injection Vulnerability in GH05TCREW PentestAgent MCP HTTP Server
CVE-2026-90617

6.9MEDIUM

Key Information:

Vendor

Gh05tcrew

Status
Pentestagent
Vendor
CVE Published:
14 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-90617?

A vulnerability has been identified in the GH05TCREW PentestAgent, specifically in the MCP HTTP Server's run_task function located in interface/main.py. This vulnerability enables attackers to perform OS command injection remotely, which could compromise the integrity and security of the system. Given that this product follows a rolling release strategy, specific version numbers for updates are not provided. The details of the exploit are now publicly available, and a pull request to address this issue is pending acceptance, highlighting an urgent need for users to assess their systems for potential exposure.

Affected Version(s)

PentestAgent cf882dabea3ed91cef016cdd115e5426315665a2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-90617 - Proof of Concept

References

https://vuldb.com/vuln/403198
vdb-entrytechnical-description
https://vuldb.com/vuln/403198/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-90617
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

ez-lbz (VulDB User)
VulDB CNA Team
.