Vulnerability details
CVE-2026-85684
datalab-to marker
marker through 2.0.0 Path Traversal via upload filename
CVSS 4.0
8.8High
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.8High | 4.0 | CVEProject cvelistV5 (CNA) (VulnCheck) | 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 |
| 9.1Critical | 3.1 | CVEProject cvelistV5 (CNA) (VulnCheck) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| datalab-to | marker | v ≤ 2.0.0 | CVEProject cvelistV5 (CNA) |
References and advisories
4- https://github.com/datalab-to/marker product
- https://github.com/datalab-to/marker/blob/v2.0.0/marker/scripts/server.py technical-description
- https://www.vulncheck.com/advisories/marker-through-2.0.0-path-traversal-via-upload-filename third-party-advisory
- https://github.com/datalab-to/marker/issues/1047 issue-tracking
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Details
- Published
- 2026-09-04
- Last updated
- 2026-09-08
- State
- Published
- Assigner (CNA)
- VulnCheck
Exploit prediction (EPSS)
1.1%
Probability of exploitation in 30 days
65.9%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- Proof of concept
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-73External Control of File Name or Path