CVE-2026-85684
marker through 2.0.0 Path Traversal via upload filename
CVSS Score
9.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-73 |
| Vendor | datalab-to |
| Product | marker |
| Published | Sep 4, 2026 |
| Last Updated | Sep 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High
Affected Versions
datalab-to / marker
0 ≤ 2.0.0
References
github.com: https://github.com/datalab-to/marker/issues/1047 github.com: https://github.com/datalab-to/marker github.com: https://github.com/datalab-to/marker/blob/v2.0.0/marker/scripts/server.py vulncheck.com: https://www.vulncheck.com/advisories/marker-through-2.0.0-path-traversal-via-upload-filename
Credits
George Chen