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TI-2026-09015 Aliases CVE-2026-10279GHSA-xrc9-g9fm-hq32

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

Priority MEDIUM 57CWE-77Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-77.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01196 68th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
hiraishikentarowezterm-mcp0.1.0—No fix listedCNA
  • wezterm-mcp Vendorhiraishikentaro Affected 0.1.0 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:hiraishikentaro:wezterm-mcp:*:*:*:*:*:*:*:*——hiraishikentaro
  • cpe:2.3:a:hiraishikentaro:wezterm-mcp:*:*:*:*:*:*:*:* Versions — — ·hiraishikentaro

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-10279
  2. 2026-10-03 Alias added: GHSA-xrc9-g9fm-hq32

References

Sources