CVE-2026-5607 imprvhub mcp-browser-agent URL Parameter handlers.ts CallToolRequestSchema server-side request forgery
Remote attackers can exploit SSRF in mcp-browser-agent via URL parameters 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-2026-5607?
CVE-2026-5607 is a medium-severity server-side request forgery vulnerability in imprvhub mcp-browser-agent, published on 6 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A security vulnerability has been detected in imprvhub mcp-browser-agent up to 0.8.0. This impacts the function CallToolRequestSchema of the file src/handlers.ts of the component URL Parameter Handler. The manipulation of the argument request.params.name/request.params.arguments leads to server-side request forgery. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Weakness: CWE-918
Which versions are affected by CVE-2026-5607?
How do I fix CVE-2026-5607?
No fix has been published for CVE-2026-5607 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-2026-5607 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5607 exists.
Sources
Also known as GHSA-p486-6v3x-xw9f.