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Tue, 21 Jul 2026 21:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | mcp-webresearch 0.1.7 contains a server-side request forgery vulnerability that allows attackers to access internal network services by supplying loopback, link-local, or cloud metadata addresses to the visit_page tool, which only validates the URL protocol without filtering private or reserved IP ranges. Attackers can steer the LLM-controlled URL argument through prompt injection to navigate the server's Playwright browser to internal endpoints such as cloud instance metadata services, causing the server to return sensitive internal page content including credentials into the model context. | |
| Title | mcp-webresearch Server-Side Request Forgery in visit_page Due to Missing Internal-IP Filtering | |
| Weaknesses | CWE-918 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-07-21T20:48:50.681Z
Reserved: 2026-07-21T14:05:53.720Z
Link: CVE-2026-65056
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