{"id":"CVE-2026-52001","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","summary":"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":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-200"],"published":"2026-09-24","updated":"2026-10-06","sourceUpdated":"2026-10-06T18:16:55.273","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-52001","references":[{"url":"https://github.com/geelen/mcp-remote","label":"cve@mitre.org"},{"url":"https://github.com/geelen/mcp-remote/security/advisories","label":"cve@mitre.org"},{"url":"https://github.com/playb0t/mcp-remote-oauth-security#readme","label":"cve@mitre.org"},{"url":"https://github.com/playb0t/mcp-remote-oauth-security/blob/v1.0.1/advisories/F-11-sse-token-origin-scope.md","label":"cve@mitre.org"}],"tags":["nvd","cve.org"],"epss":0.00466,"epssPercentile":0.40186,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-06T15:46:05.813178Z"},"ingestedAt":"2026-09-24T15:45:56.641Z","slug":"CVE-2026-52001","body":"## Overview\n\nAn 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\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":216637,"id":"CVE-2026-52001","ts":1791310381058,"field":"cvss","old":null,"new":"7.5"},{"seq":216636,"id":"CVE-2026-52001","ts":1791310381058,"field":"severity","old":"none","new":"high"}]}