{"id":"CVE-2026-52001","aliases":["EUVD-2026-86021","GHSA-4gh6-j99c-x6g2"],"status":"published","title":"An issue in geelen mcp-remote 0.1.18 through 0.1.38 allows a remote attacker to obtain sensitive...","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","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00466,"percentile":0.40806,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2026-09-24T00:00:00Z","modified":"2026-10-28T02:30:48Z","references":[{"url":"https://github.com/geelen/mcp-remote","tags":["package"]},{"url":"https://github.com/geelen/mcp-remote/security/advisories","tags":["advisory"]},{"url":"https://github.com/playb0t/mcp-remote-oauth-security#readme","tags":["package"]},{"url":"https://github.com/playb0t/mcp-remote-oauth-security/blob/v1.0.1/advisories/F-11-sse-token-origin-scope.md","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-52001","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-4gh6-j99c-x6g2"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52001.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-52001","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","status":"published","published":"2026-09-24T00:00:00Z","modified":"2026-10-06T17:42:56.702Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T13:40:57.334596Z"}],"euvd":[{"id":"EUVD-2026-86021","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","status":"published","published":"2026-09-24T00:00:00Z","modified":"2026-10-06T17:42:56Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T17:27:36.701921Z"}],"ghsa":[{"id":"GHSA-4gh6-j99c-x6g2","title":"An issue in geelen mcp-remote 0.1.18 through 0.1.38 allows a remote attacker to obtain sensitive...","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","status":"published","published":"2026-09-24T15:31:34Z","modified":"2026-10-06T18:32:24Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:12:51.459076Z"}],"nvd":[{"id":"CVE-2026-52001","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","status":"published","published":"2026-09-24T15:17:23.52Z","modified":"2026-10-06T18:16:55.273Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:12:51.036099Z"}],"osv":[{"id":"CVE-2026-52001","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","status":"published","published":"2026-09-24T00:00:00Z","modified":"2026-10-28T02:30:48.117659919Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:07.431113Z"}]}}