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VULNERABILITIES

CVE-2026-51994 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

mcp-remote versions 0.1.32 through 0.1.38 are vulnerable to Server-Side Request Forgery (SSRF) via the resource_metadata URL extracted from a remote MCP server's WWW-Authenticate header

Metrics

CVSS 3.x Severity and Vector Strings:

NDDVolerionCVSS-B:4.7 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:L/A:L
CNA: CISA-ADPCVSS-B:9.1 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/geelen/mcp-remote [email protected]Source CodeVendor
https://github.com/geelen/mcp-remote/security/advisories [email protected]AdvisoryVendor
https://github.com/playb0t/mcp-remote-oauth-security/blob/v1.0.1/advisories/F-01-resource-metadata-ssrf.md [email protected]AdvisoryExploitRemedy
https://github.com/playb0t/mcp-remote-oauth-security#readme [email protected]BundleTechnical Analysis

Weakness Enumeration

CWE-IDCWE NameSource
CWE-918Server-Side Request Forgery (SSRF)CISA-ADP

Affected Products

ProductVersions
mcp-remote
>= 0.1.32, <= 0.1.38 (semver)

CPE

  • No CPEs found in CPE dictionary for this product.

Remediation

  • No remediation found in references.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-51994
NVD Published Date:
Sep 24, 2026
NVD Last Modified:
Sep 25, 2026
Source:
[email protected]