{"id":"CVE-2026-45482","aliases":["EUVD-2026-35547","GHSA-f78m-9xhc-p52v"],"status":"published","title":"Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability","description":"Improper limitation of a pathname to a restricted directory ('path traversal') in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.","severity":{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00345,"percentile":0.28235,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2026-06-09T17:05:28Z","modified":"2026-10-24T10:31:01Z","products":[{"vendor":"microsoft","product":"microsoft visual studio code copilot chat extension"},{"vendor":"microsoft","product":"visual_studio_code"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45482","tags":["vendor-advisory","patch","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45482"},{"url":"https://github.com/advisories/GHSA-f78m-9xhc-p52v"}],"sources":{"cve":[{"id":"CVE-2026-45482","title":"Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability","description":"Improper limitation of a pathname to a restricted directory ('path traversal') in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.","status":"published","published":"2026-06-09T17:05:28.201Z","modified":"2026-09-24T13:44:24.304Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T13:46:55.086623Z"}],"euvd":[{"id":"EUVD-2026-35547","description":"Improper limitation of a pathname to a restricted directory ('path traversal') in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.","status":"published","published":"2026-06-09T17:05:28Z","modified":"2026-09-24T13:44:24Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T17:27:59.112143Z"}],"ghsa":[{"id":"GHSA-f78m-9xhc-p52v","title":"Improper limitation of a pathname to a restricted directory ('path traversal') in GitHub Copilot...","description":"Improper limitation of a pathname to a restricted directory ('path traversal') in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.","status":"published","published":"2026-06-09T18:30:50Z","modified":"2026-06-09T18:30:58Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:08:41.598643Z"}],"nvd":[{"id":"CVE-2026-45482","description":"Improper limitation of a pathname to a restricted directory ('path traversal') in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.","status":"published","published":"2026-06-09T17:17:22.587Z","modified":"2026-07-23T08:10:00.137Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:12:23.109705Z"}],"osv":[{"id":"CVE-2026-45482","description":"Improper limitation of a pathname to a restricted directory ('path traversal') in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.","status":"published","published":"2026-06-09T17:17:22.587Z","modified":"2026-10-24T10:31:01.981014996Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:05.525666Z"}]}}