{"id":"CVE-2026-123619","aliases":["EUVD-2026-118295","GHSA-9pg5-8hpj-vq4p"],"status":"published","title":"Lektor through 3.3.14 and 3.4.0b15 Path Traversal via Admin API Drive-Letter Paths","description":"Lektor through 3.3.14 and 3.4.0b15 contains an absolute path traversal vulnerability in the admin API on Windows that allows attackers to escape the project directory by supplying drive-letter paths that cleanup_path does not normalise. Attackers can use a malicious web page with cross-site requests or DNS rebinding against the unauthenticated local server to recursively delete directories via deleterecord or write attacker-controlled files via newattachment.","severity":{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00467,"percentile":0.4093,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-36"],"published":"2026-11-06T15:00:54Z","modified":"2026-11-07T02:48:18Z","products":[{"vendor":"lektor","product":"lektor"}],"references":[{"url":"https://github.com/lektor/lektor/issues/1301","tags":["issue-tracking","exploit","report"]},{"url":"https://github.com/lektor/lektor","tags":["product","package"]},{"url":"https://github.com/lektor/lektor/blob/v3.3.14/lektor/db.py#L1334-L1336","tags":["technical-description","article"]},{"url":"https://github.com/lektor/lektor/blob/v3.3.14/lektor/utils.py#L83-L94","tags":["technical-description","article"]},{"url":"https://github.com/lektor/lektor/pull/1302","tags":["issue-tracking","patch","fix"]},{"url":"https://github.com/lektor/lektor/pull/1288","tags":["issue-tracking","patch","fix"]},{"url":"https://www.vulncheck.com/advisories/lektor-through-3.3.14-and-3.4-0b15-path-traversal-via-admin-api-drive-letter-paths","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-123619","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-9pg5-8hpj-vq4p"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/123xxx/CVE-2026-123619.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-123619","title":"Lektor through 3.3.14 and 3.4.0b15 Path Traversal via Admin API Drive-Letter Paths","description":"Lektor through 3.3.14 and 3.4.0b15 contains an absolute path traversal vulnerability in the admin API on Windows that allows attackers to escape the project directory by supplying drive-letter paths that cleanup_path does not normalise. Attackers can use a malicious web page with cross-site requests or DNS rebinding against the unauthenticated local server to recursively delete directories via deleterecord or write attacker-controlled files via newattachment.","status":"published","published":"2026-11-06T15:00:54.987Z","modified":"2026-11-06T17:07:51.308Z","cvss":[{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-36"],"updated_at":"2026-11-06T18:59:08.498645Z"}],"euvd":[{"id":"EUVD-2026-118295","description":"Lektor through 3.3.14 and 3.4.0b15 contains an absolute path traversal vulnerability in the admin API on Windows that allows attackers to escape the project directory by supplying drive-letter paths that cleanup_path does not normalise. Attackers can use a malicious web page with cross-site requests or DNS rebinding against the unauthenticated local server to recursively delete directories via deleterecord or write attacker-controlled files via newattachment.","status":"published","published":"2026-11-06T15:00:54Z","modified":"2026-11-06T17:07:51Z","cvss":[{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-06T18:05:40.233261Z"}],"ghsa":[{"id":"GHSA-9pg5-8hpj-vq4p","title":"Lektor through 3.3.14 and 3.4.0b15 contains an absolute path traversal vulnerability in the admin...","description":"Lektor through 3.3.14 and 3.4.0b15 contains an absolute path traversal vulnerability in the admin API on Windows that allows attackers to escape the project directory by supplying drive-letter paths that cleanup_path does not normalise. Attackers can use a malicious web page with cross-site requests or DNS rebinding against the unauthenticated local server to recursively delete directories via deleterecord or write attacker-controlled files via newattachment.","status":"published","published":"2026-11-06T15:31:27Z","modified":"2026-11-06T15:31:35Z","cvss":[{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H","level":"medium"}],"cwes":["CWE-36"],"updated_at":"2026-11-06T16:00:40.695019Z"}],"nvd":[{"id":"CVE-2026-123619","description":"Lektor through 3.3.14 and 3.4.0b15 contains an absolute path traversal vulnerability in the admin API on Windows that allows attackers to escape the project directory by supplying drive-letter paths that cleanup_path does not normalise. Attackers can use a malicious web page with cross-site requests or DNS rebinding against the unauthenticated local server to recursively delete directories via deleterecord or write attacker-controlled files via newattachment.","status":"published","published":"2026-11-06T15:17:19.363Z","modified":"2026-11-12T21:36:06.743Z","cvss":[{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-36"],"updated_at":"2026-11-12T23:33:07.699912Z"}],"osv":[{"id":"CVE-2026-123619","title":"Lektor through 3.3.14 and 3.4.0b15 Path Traversal via Admin API Drive-Letter Paths","description":"Lektor through 3.3.14 and 3.4.0b15 contains an absolute path traversal vulnerability in the admin API on Windows that allows attackers to escape the project directory by supplying drive-letter paths that cleanup_path does not normalise. Attackers can use a malicious web page with cross-site requests or DNS rebinding against the unauthenticated local server to recursively delete directories via deleterecord or write attacker-controlled files via newattachment.","status":"published","published":"2026-11-06T15:00:54.987Z","modified":"2026-11-08T02:47:31.58456828Z","cvss":[{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-36"],"updated_at":"2026-11-08T02:57:14.556074Z"}]}}