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Vulnerability · Published Jun 1, 2026 · Assigned by VulDB

CVE-2026-10279hiraishikentaro wezterm-mcp switch_pane/write_to_specific_pane wezterm_executor.ts os command injection

Medium 6.3

In plain English

A medium-severity OS command injection in wezterm-mcp from hiraishikentaro. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)1.2%top 31.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A vulnerability was identified in hiraishikentaro wezterm-mcp 0.1.0. The affected element is an unknown function of the file src/wezterm_executor.ts of the component switch_pane/write_to_specific_pane. The manipulation of the argument request.params.arguments.pane_id leads to os command injection. The attack can be initiated remotely. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected products (as reported)

VendorProductVersions
hiraishikentaro wezterm-mcp 0.1.0

Weakness: CWE-78, CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References