CVE-2026-5607 | imprvhub mcp-browser-agent up to 0.8.0 URL Parameter src/handlers.ts CallToolRequestSchema request.params.name/request.params.arguments server-side request forgery

VDB-355398 · CVE-2026-5607 · GCVE-100-355398 IMPRVHUB MCP-BROWSER-AGENT UP TO 0.8.0 URL PARAMETER SRC/HANDLERS.TS CALLTOOLREQUESTSCHEMA REQUEST.PARAMS.NAME/REQUEST.PARAMS.ARGUMENTS SERVER-SIDE REQUEST FORGERY HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.7 $0-$5k 1.72+ Summaryinfo A vulnerability categorized as critical has been discovered in imprvhub mcp-browser-agent up to 0.8.0. Affected is 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 results in server-side request forgery. This vulnerability was named CVE-2026-5607. The attack may be performed from remote. In addition, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way. Detailsinfo A vulnerability was found in imprvhub mcp-browser-agent up to 0.8.0. It has been classified as critical. Affected is 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 with an unknown input leads to a server-side request forgery vulnerability. CWE is classifying the issue as CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. This is going to have an impact on confidentiality, integrity, and availability. The advisory is available at github.com. This vulnerability is traded as CVE-2026-5607. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details and a public exploit are known. The exploit is shared for download at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Vendor imprvhub Name mcp-browser-agent Version 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8.0 CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 6.3 VulDB Meta Temp Score: 5.7 VulDB Base Score: 6.3 VulDB Temp Score: 5.7 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Server-side request forgery CWE: CWE-918 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 04/05/2026 Advisory disclosed 04/05/2026 +0 days VulDB entry created 04/05/2026 +0 days VulDB entry last update Sourcesinfo Advisory: github.com Status: Not defined CVE: CVE-2026-5607 (🔒) GCVE (CVE): GCVE-0-2026-5607 GCVE (VulDB): GCVE-100-355398 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/05/2026 16:08 Changes: 04/05/2026 16:08 (58) Complete: 🔍 Submitter: feng kairui Cache ID: 99:19D:101 Submitinfo Accepted Submit #785034: imprvhub mcp-browser-agent 0.8.0 Server-Side Request Forgery (by feng kairui) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸