auto-favicon has a Server-Side Request Forgery issue
A vulnerability was found in dh1011 auto-favicon up to f189116a9259950c2393f114dbcb94dde0ad864b. This issue affects the function generate_favicon_from_url of the file src/auto_favicon/server.py of the component MCP Tool. The manipulation of the argument image_url results in server-side request forgery. The attack may be performed from remote. The exploit has been made public and could be used. This product utilizes a rolling release system for continuous delivery, and as such, version information for affected or updated releases is not disclosed. The project was informed of the problem early through an issue report but has yet to receive a response.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | auto-favicon | <= 1.0.1 | no fix |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-7150
- https://github.com/dh1011/auto-favicon-mcp/issues/2
- https://github.com/dh1011/auto-favicon-mcp
- https://vuldb.com/submit/802054
- https://vuldb.com/vuln/359749
- https://vuldb.com/vuln/359749/cti
- https://pypi.org/project/auto-favicon
- https://github.com/advisories/GHSA-vmh7-9c7h-2pgg
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L- Weakness (CWE)
CWE-918- Platform
- Python (PyPI)
- Package
auto-favicon- Disclosed
- 27.04.2026
- Updated
- 11.10.2026 14:18
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2026-2386 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-vmh7-9c7h-2pgg - CC BY 4.0
Vulnerability history: auto-favicon
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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