dmitryglhf mcp-url-downloader server.py _validate_url_safe server-side request forgery
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| dmitryglhf | mcp-url-downloader | 4b8cf2de55f6e8864a77d108e8a94a5b8e4394c6 | — | No fix listed | CNA |
| — | mcp-url-downloader (PyPI) | up to 0.1.0 | — | No fix listed | GHSA-h7xc-4mv8-59fj |
- mcp-url-downloader Vendordmitryglhf Affected 4b8cf2de55f6e8864a77d108e8a94a5b8e4394c6 Fixed in — No fix listed CNA
- mcp-url-downloader (PyPI) Vendor— Affected up to 0.1.0 Fixed in — No fix listed GHSA-h7xc-4mv8-59fj
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-7158
- 2026-10-03 Alias added: GHSA-h7xc-4mv8-59fj
References
Sources
- CVE-2026-7158 · CVE Program
- CVE-2026-7158 · NVD
- FIRST EPSS
- GHSA-h7xc-4mv8-59fj · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences