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Vulnerability · Published Apr 27, 2026 · Assigned by VulDB

CVE-2026-7158dmitryglhf mcp-url-downloader server.py _validate_url_safe server-side request forgery

High 7.3

In plain English

A high-severity server-side request forgery in mcp-url-downloader from dmitryglhf. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High
Exploit odds (30 days)0.3%top 77.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
PyPImcp-url-downloaderno fix listedGHSA-h7xc-4mv8-59fj
PyPImcp-url-downloaderno fix listedPYSEC-2026-2631

Affected products (as reported)

VendorProductVersions
dmitryglhf mcp-url-downloader 4b8cf2de55f6e8864a77d108e8a94a5b8e4394c6

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References