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CVSS 7.3 · HIGH

CVE-2026-7158

A vulnerability has been found in dmitryglhf mcp-url-downloader up to 4b8cf2de55f6e8864a77d108e8a94a5b8e4394c6. Affected by this issue is the function _validate_url_safe of the file src/mcp_url_downloader/server.py. Such manipulation of the argument url leads to server-side request forgery. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. This product implements a rolling release for ongoing delivery, which means version information for affected or updated releases is unavailable. The project was informed of the problem early through an issue report but has not responded yet.

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Análisis

This is an SSRF vulnerability in a specific Model Context Protocol (MCP) server implementation on GitHub. Although the vulnerability is high severity and publicly exploitable, the tool is a niche utility rather than a widely used development library or infrastructure component.

Severidad

Puntaje: 7.3(HIGH)
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
AV: NETWORK
AC: LOW
PR: NONE
UI: NONE
S: UNCHANGED
C: LOW
I: LOW
A: LOW
Tipo de falla (CWE): CWE-918

EPSS

Probabilidad de explotación (próx. 30 días): 0.0005 (0.1%)
Percentil: 15.2%
EPSS: 2026-05-06

Descripción técnica

A vulnerability has been found in dmitryglhf mcp-url-downloader up to 4b8cf2de55f6e8864a77d108e8a94a5b8e4394c6. Affected by this issue is the function _validate_url_safe of the file src/mcp_url_downloader/server.py. Such manipulation of the argument url leads to server-side request forgery. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. This product implements a rolling release for ongoing delivery, which means version information for affected or updated releases is unavailable. The project was informed of the problem early through an issue report but has not responded yet.

Publicada: 27/4/2026, 21:16:44
Última modificación: 29/4/2026, 1:00:01

Referencias

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