CVE-2026-19770 feedmob fm-mcp-servers Download Endpoint index.ts downloadReport server-side request forgery
Attackers with local access can exploit a server-side request forgery vulnerability in the download endpoint to access internal resources.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-19770?
CVE-2026-19770 is a medium-severity server-side request forgery vulnerability in feedmob fm-mcp-servers, published on 14 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability was identified in feedmob fm-mcp-servers 0.0.3. Affected by this vulnerability is the function downloadReport of the file src/smadex-reporting/src/index.ts of the component Download Endpoint. The manipulation of the argument downloadUrl leads to server-side request forgery. The attack can only be performed from a local environment. The exploit is publicly available and might be used. 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-2026-19770?
How do I fix CVE-2026-19770?
No fix has been published for CVE-2026-19770 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-2026-19770 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19770 exists.
Sources
Also known as GHSA-fhw4-v2hr-j5m2.