CVE-2026-5607CWE-918

imprvhub mcp-browser-agent URL Parameter handlers.ts CallToolRequestSchema server-side request forgery

Medium · published April 6, 2026

CVSS v4.0
5.3
EPSS
0%
Percentile
38.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00453 · 38.4th percentile
Weakness
CWE-918 · Server-Side Request Forgery (SSRF)
Published
2026-04-06T00:15Z
EPSS history
Timeline
  • 06 APR 00:15Z
    imprvhub mcp-browser-agent URL Parameter handlers.ts CallToolRequestSchema server-side request forgery
    cvelistv5