Command Injection Vulnerability in MCPGateway by Abdullah1854
CVE-2026-19268

5.3MEDIUM

Key Information:

Vendor

Abdullah1854

Status
Mcpgateway
Vendor
CVE Published:
8 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-19268?

A command injection vulnerability has been identified in the MCPGateway by Abdullah1854, specifically within the 'getUsageByDateRange' function located in the file 'src/services/claude-usage.ts'. This vulnerability arises due to improper handling of input parameters, allowing an attacker to manipulate the 'since' argument and execute arbitrary commands on the server. The vulnerability is accessible remotely, which significantly increases its potential for exploitation. Although the project maintainers were earlier informed of this security issue, no response or resolution has been provided as of now. This is a serious concern for users relying on the continuous delivery model of this product, as affected version details are unavailable.

Affected Version(s)

MCPGateway 549f494a9e363f40530149de324b8097de424230

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-2026-19268 - Proof of Concept

References

https://vuldb.com/vuln/387012
vdb-entrytechnical-description
https://vuldb.com/vuln/387012/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19268
third-party-advisory

CVSS V4

Score:
5.3
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

gongyanyu02 (VulDB User)
VulDB CNA Team
.