{"id":"CVE-2025-66389","aliases":["EUVD-2025-210298","GHSA-7vc2-x95v-g6m9"],"status":"published","title":"GitHub Copilot 1.372.0 allows filesystem access outside of a workspace folder (without user...","description":"GitHub Copilot 1.372.0 allows filesystem access outside of a workspace folder (without user approval) via a file-handler URI parameter to fetch_webpage. Therefore, exfiltration could occur if there is indirect prompt injection.","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":"2026-11-12","score":0.01176,"percentile":0.6803,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-552"],"published":"2026-06-22T00:00:00Z","modified":"2026-10-12T22:10:00Z","products":[{"vendor":"microsoft","product":"github_copilot"}],"references":[{"url":"https://github.com/microsoft/vscode-copilot-chat/","tags":["Product"]},{"url":"https://github.com/microsoft/vscode/blob/03baef1008086ed4960042fa463e570072173bb5/src/vs/workbench/contrib/chat/electron-browser/tools/fetchPageTool.ts#L152","tags":["Product"]},{"url":"https://blindcyber.com/2025/10/28/copilot-fun/","tags":["Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66389"},{"url":"https://blindcyber.com/2025/10/28/copilot-fun"},{"url":"https://github.com/microsoft/vscode-copilot-chat"},{"url":"https://github.com/advisories/GHSA-7vc2-x95v-g6m9"}],"sources":{"cve":[{"id":"CVE-2025-66389","description":"GitHub Copilot 1.372.0 allows filesystem access outside of a workspace folder (without user approval) via a file-handler URI parameter to fetch_webpage. Therefore, exfiltration could occur if there is indirect prompt injection.","status":"published","published":"2026-06-22T00:00:00Z","modified":"2026-06-22T16:02:08.057Z","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-552"],"updated_at":"2026-11-02T14:32:53.157279Z"}],"euvd":[{"id":"EUVD-2025-210298","description":"GitHub Copilot 1.372.0 allows filesystem access outside of a workspace folder (without user approval) via a file-handler URI parameter to fetch_webpage. Therefore, exfiltration could occur if there is indirect prompt injection.","status":"published","published":"2026-06-22T00:00:00Z","modified":"2026-06-22T16:02:08Z","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":"2026-11-02T18:20:34.745289Z"}],"ghsa":[{"id":"GHSA-7vc2-x95v-g6m9","title":"GitHub Copilot 1.372.0 allows filesystem access outside of a workspace folder (without user...","description":"GitHub Copilot 1.372.0 allows filesystem access outside of a workspace folder (without user approval) via a file-handler URI parameter to fetch_webpage. Therefore, exfiltration could occur if there is indirect prompt injection.","status":"published","published":"2026-06-22T15:30:43Z","modified":"2026-06-22T18:35:14Z","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-552"],"updated_at":"2026-11-02T15:08:56.309175Z"}],"nvd":[{"id":"CVE-2025-66389","description":"GitHub Copilot 1.372.0 allows filesystem access outside of a workspace folder (without user approval) via a file-handler URI parameter to fetch_webpage. Therefore, exfiltration could occur if there is indirect prompt injection.","status":"published","published":"2026-06-22T14:16:24.073Z","modified":"2026-10-12T22:10:00.247Z","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-552"],"updated_at":"2026-11-02T14:12:02.535029Z"}]}}
