CVE-2026-19964

MediumCVSS 5.5/10Last modified Aug 20, 2026

Description

A vulnerability was found in Jij-Inc Jij-MCP-Server 0.1.0. This affects the function PythonREPL.run of the file jij_mcp/python_repr.py of the component jm_check. The manipulation of the argument code results in code injection. It is possible to launch the attack remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Aug 17, 2026
Last modified
Aug 20, 2026
NVD status
Deferred

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CVE-2026-19964: Medium severity, CVSS 5.5 | Vulnix