{"id":"CVE-2026-52001","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-52001","generatedAt":"2026-10-28T00:51:05.055Z","title":"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","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","published":"2026-09-24T15:17:24.000Z","lastModified":"2026-10-06T18:16:55.000Z","status":"Deferred","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-200"],"affected":[],"epss":{"score":0.00466,"percentile":0.4011,"date":"2026-10-26","history":[{"date":"2026-09-25","score":0.00246,"percentile":0.14165}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.47%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-10-06T19:30:04.000Z","detail":{"from":null,"score":"7.5","severity":"HIGH","fromSeverity":null},"summary":"Now scored CVSS 7.5 HIGH."},{"kind":"new","label":"New CVE","at":"2026-09-24T15:17:24.000Z","detail":{"score":null,"severity":null,"publishedAt":"2026-09-24T15:17:23.520Z"},"summary":"New CVE, high severity (CVSS 7.5)."}],"references":[{"url":"https://github.com/geelen/mcp-remote","source":"cve@mitre.org"},{"url":"https://github.com/geelen/mcp-remote/security/advisories","source":"cve@mitre.org"},{"url":"https://github.com/playb0t/mcp-remote-oauth-security#readme","source":"cve@mitre.org"},{"url":"https://github.com/playb0t/mcp-remote-oauth-security/blob/v1.0.1/advisories/F-11-sse-token-origin-scope.md","source":"cve@mitre.org"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-52001","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}