{"id":"CVE-2026-52001","details":"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","modified":"2026-10-28T02:30:48.117659919Z","published":"2026-09-24T00:00:00Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52001.json","cna_assigner":"mitre"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52001.json"},{"type":"ADVISORY","url":"https://github.com/geelen/mcp-remote/security/advisories"},{"type":"ADVISORY","url":"https://github.com/playb0t/mcp-remote-oauth-security/blob/v1.0.1/advisories/F-11-sse-token-origin-scope.md"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-52001"},{"type":"PACKAGE","url":"https://github.com/geelen/mcp-remote"},{"type":"PACKAGE","url":"https://github.com/playb0t/mcp-remote-oauth-security#readme"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/punkpeye/mcp-remote","events":[{"introduced":"929c97c4a762da0fbd1f5e2cbbc8dca0c5742f65"},{"last_affected":"02619aff36e79803d7c894e8c8ae7b34b2d11f8c"}],"database_specific":{"extracted_events":[{"range":[{"introduced":"0.1.18"},{"last_affected":"0.1.38"}],"source":"DESCRIPTION"}]}}],"versions":["v0.1.38","v0.1.37","v0.1.36","v0.1.35","v0.1.34","v0.1.33","v0.1.32","v0.1.31","v0.1.30","v0.1.29","v0.1.27","v0.1.26","v0.1.25","v0.1.24","v0.1.22","v0.1.21","v0.1.20","v0.1.19","v0.1.18"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-52001.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}