CVE-2026-7150 dh1011 auto-favicon MCP Tool server.py generate_favicon_from_url server-side request forgery
Remote attackers can exploit a server-side request forgery vulnerability in the auto-favicon MCP tool to access internal resources or bypass security controls.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-7150?
CVE-2026-7150 is a medium-severity server-side request forgery vulnerability in dh1011 auto-favicon, published on 27 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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 not responded yet.
Weakness: CWE-918
Which versions are affected by CVE-2026-7150?
3 open source packages ship an affected version, including auto-favicon.
| Package | Affected | Fixed in |
|---|---|---|
auto-favicon PyPI | All versions to 1.0.1 | None |
auto-favicon PyPI | All versions to 1.0.1 | None |
auto-favicon PyPI | All versions to 1.0.1 | None |
How do I fix CVE-2026-7150?
No fix has been published for CVE-2026-7150 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-7150 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7150 exists.
Sources
Also known as GHSA-vmh7-9c7h-2pgg, PYSEC-2026-2386.