OS Command Injection Vulnerability in Hiraishikentaro Wezterm-mcp Product
CVE-2026-10279

5.3MEDIUM

Key Information:

Vendor

Hiraishikentaro

Status
Wezterm-mcp
Vendor
CVE Published:
1 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-10279?

The Wezterm-mcp product version 0.1.0 has a security vulnerability in the src/wezterm_executor.ts file, specifically in the switch_pane/write_to_specific_pane function. This vulnerability allows for manipulation of the request parameters, leading to OS command injection attacks. The flaw can be exploited remotely, posing a significant risk to users. Despite early notification of the issue through an issue report, no response has been documented from the project maintainers.

Affected Version(s)

wezterm-mcp 0.1.0

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-2026-10279 - Proof of Concept

References

https://vuldb.com/vuln/367572
vdb-entrytechnical-description
https://vuldb.com/vuln/367572/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-10279
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

ccccccctfi (VulDB User)
VulDB CNA Team
.