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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.

PUBLISHED Reserved 2026-04-05 | Published 2026-04-06 | Updated 2026-04-06 | Assigner VulDB




MEDIUM: 5.3CVSS: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
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Server-Side Request Forgery

Product status

0.1
affected

0.2
affected

0.3
affected

0.4
affected

0.5
affected

0.6
affected

0.7
affected

0.8.0
affected

Timeline

2026-04-05:Advisory disclosed
2026-04-05:VulDB entry created
2026-04-05:VulDB entry last update

Credits

feng kairui (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/355398 (VDB-355398 | imprvhub mcp-browser-agent URL Parameter handlers.ts CallToolRequestSchema server-side request forgery) vdb-entry technical-description

vuldb.com/vuln/355398/cti (VDB-355398 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/785034 (Submit #785034 | imprvhub mcp-browser-agent 0.8.0 Server-Side Request Forgery) third-party-advisory

github.com/wing3e/public_exp/issues/25 exploit issue-tracking

cve.org (CVE-2026-5607)

nvd.nist.gov (CVE-2026-5607)

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