{"id":"CVE-2026-85684","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-85684","generatedAt":"2026-10-27T23:58:49.820Z","title":"marker through 2.0.0 contains a path traversal vulnerability in the FastAPI /marker/upload handler that fails to sanitize the file.filename parameter.","description":"marker through 2.0.0 contains a path traversal vulnerability in the FastAPI /marker/upload handler that fails to sanitize the file.filename parameter. Unauthenticated attackers can supply filenames containing directory traversal sequences to write arbitrary files to any location or delete existing files on the system.","published":"2026-09-04T15:17:46.000Z","lastModified":"2026-09-23T17:17:47.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":8.8,"severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/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/M"},"cwe":["CWE-73"],"affected":[],"epss":{"score":0.01104,"percentile":0.65537,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.10%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/datalab-to/marker","source":"disclosure@vulncheck.com"},{"url":"https://github.com/datalab-to/marker/blob/v2.0.0/marker/scripts/server.py","source":"disclosure@vulncheck.com"},{"url":"https://github.com/datalab-to/marker/issues/1047","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/marker-through-2.0.0-path-traversal-via-upload-filename","source":"disclosure@vulncheck.com"},{"url":"https://github.com/datalab-to/marker/issues/1047","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-85684","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}