CVE-2026-52001

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

CVSS 3.1

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

EPSS

0.5% chance of exploitation in the next 30 days; higher than 40% of CVEs (scores of 2026-10-25)

CWE

CWE-200

Published

2026-09-24

Modified

2026-10-06

Record from

the NVD, synced 2026-10-19

References

• https://github.com/geelen/mcp-remote
• https://github.com/geelen/mcp-remote/security/advisories
• https://github.com/playb0t/mcp-remote-oauth-security#readme
• https://github.com/playb0t/mcp-remote-oauth-security/blob/v1.0.1/advisories/F-11-sse-token-origin-scope.md

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