CVE-2026-85684
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.
Package Versions Affected
Automatically patch vulnerabilities without upgrading
CVSS Version



Related Resources
References
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85684.json, https://nvd.nist.gov/vuln/detail/CVE-2026-85684, https://www.vulncheck.com/advisories/marker-through-2.0.0-path-traversal-via-upload-filename, https://github.com/datalab-to/marker/issues/1047, https://github.com/datalab-to/marker, https://github.com/datalab-to/marker/blob/v2.0.0/marker/scripts/server.py