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CVE-2026-52001 Details

ANALYZED

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

Description

An issue in geelen mcp-remote 0.1.18 through 0.1.38 allows a remote attacker to obtain sensitive information via the SSE transport eventSourceInit fetch wrapper " src/lib/utils.ts

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CNA: CISA-ADPCVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(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-11-sse-token-origin-scope.md	[email protected]	AdvisoryTechnical Analysis
https://github.com/playb0t/mcp-remote-oauth-security#readme	[email protected]	BundleTechnical Analysis

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-200	Exposure of Sensitive Information to an Unauthorized Actor	CISA-ADP

Affected Products

Product	Versions
geelen mcp-remote	>= 0.1.18, <= 0.1.38 (semver)
CPE No CPEs found in CPE dictionary for this product. Remediation Upgrade: 0.1.39moderate effort

Change History

2 change records found show changes

Date	Action	Recorded By
Oct 6, 2026	CVE Modified	CISA-ADP
Sep 24, 2026	New CVE Received	[email protected]