CVE-2026-85684
marker through 2.0.0 Path Traversal via upload filename
- State
- Published
- Severity
- 8.8 High
- Published
- Sep 4, 2026
- Updated
- Sep 8, 2026
- Reserved
- Sep 4, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.8 High | 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 | VulnCheck |
| 3.1 | 9.1 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H | VulnCheck |
Weaknesses
- CWE-73 External Control of File Name or Path
Affected Products
| Product | Versions |
|---|---|
markerdatalab-to |
|
References
- GitHub Issue #1047issue-tracking
- https://github.com/datalab-to/markerproduct
- https://github.com/datalab-to/marker/blob/v2.0.0/marker/scripts/server.pytechnical-description
- VulnCheck Advisory: marker through 2.0.0 Path Traversal via upload filenamethird-party-advisory
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