CVE-2026-5607

MEDIUM

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

Title source: cna
STIX 2.1

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.

References (4)

Core 4
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-355398 | imprvhub mcp-browser-agent URL Parameter handlers.ts CallToolRequestSchema server-side request forgery
https://vuldb.com/vuln/355398
Signature, Permissions Required signature permissions-required
VDB-355398 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/355398/cti
Third Party Advisory third-party-advisory
Submit #785034 | imprvhub mcp-browser-agent 0.8.0 Server-Side Request Forgery
https://vuldb.com/submit/785034
Exploit exploit issue-tracking
https://github.com/wing3e/public_exp/issues/25

Scores

CVSS v3 6.3
EPSS 0.0027
EPSS Percentile 18.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-918
Status published
Products (8)
imprvhub/mcp-browser-agent 0.1
imprvhub/mcp-browser-agent 0.2
imprvhub/mcp-browser-agent 0.3
imprvhub/mcp-browser-agent 0.4
imprvhub/mcp-browser-agent 0.5
imprvhub/mcp-browser-agent 0.6
imprvhub/mcp-browser-agent 0.7
imprvhub/mcp-browser-agent 0.8.0
Published Apr 06, 2026
Tracked Since Apr 06, 2026