{"id":"CVE-2025-64106","state":"PUBLISHED","title":"Cursor: Speedbump Modal Bypass in MCP Server Deep-Link","description":"Cursor is a code editor built for programming with AI. In versions 1.7.28 and below, an input validation flaw in Cursor's MCP server installation enables specially crafted deep-links to bypass the standard security warnings and conceal executed commands from users if they choose to accept the server. If an attacker is able to convince a victim to navigate to a malicious deeplink, the victim will not see the correct speedbump modal, and if they choose to accept, will execute commands specified by the attackers deeplink.","publishedAt":"2025-11-04T22:48:14.832Z","updatedAt":"2025-11-05T18:47:55.509Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["cursor cursor"],"affected":[{"vendor":"cursor","product":"cursor","versions":[{"version":"< 2.0","status":"affected"}]}],"references":["https://github.com/cursor/cursor/security/advisories/GHSA-4575-fh42-7848"],"weaknesses":["CWE-78"],"ingestedAt":"2026-10-29T20:09:48.677Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/64xxx/CVE-2025-64106.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-64106","state":"PUBLISHED","datePublished":"2025-11-04T22:48:14.832Z","dateUpdated":"2025-11-05T18:47:55.509Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2025-10-27T15:26:14.127Z"},"containers":{"cna":{"title":"Cursor: Speedbump Modal Bypass in MCP Server Deep-Link","descriptions":[{"lang":"en","value":"Cursor is a code editor built for programming with AI. In versions 1.7.28 and below, an input validation flaw in Cursor's MCP server installation enables specially crafted deep-links to bypass the standard security warnings and conceal executed commands from users if they choose to accept the server. If an attacker is able to convince a victim to navigate to a malicious deeplink, the victim will not see the correct speedbump modal, and if they choose to accept, will execute commands specified by the attackers deeplink."}],"affected":[{"vendor":"cursor","product":"cursor","versions":[{"version":"< 2.0","status":"affected"}]}],"references":[{"url":"https://github.com/cursor/cursor/security/advisories/GHSA-4575-fh42-7848","name":"https://github.com/cursor/cursor/security/advisories/GHSA-4575-fh42-7848","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-78","lang":"en","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2025-11-04T22:48:14.832Z"},"source":{"advisory":"GHSA-4575-fh42-7848","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-11-05T14:18:35.811455Z","id":"CVE-2025-64106","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-11-05T18:47:55.509Z"}}]}}}