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UK Cyber Defence
VulnerabilityDeferred

CVE-2026-10279

A vulnerability was identified in hiraishikentaro wezterm-mcp 0.1.0.

LOW 2.1EPSS 1.09%

Does this matter?

Lower severity and a low EPSS score (1.09%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 4.0
2.1 LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
1.09% probability · 65th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-77, CWE-78
Source
cna@vuldb.com
EPSS trend
0%3%5%26 October 2026: 1.09%26 October 202626 October 2026

EPSS 1.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.