CVE-2026-85684
Medium
Elevated severity or exploit probability.
CVSS base
9.1
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS — probability of exploitation (30 days)
1.1%
64.3th percentile
CISA KEV
Not listed
Weakness / dates
CWE-73
Published 2026-09-04 · modified 2026-09-23
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | N | None |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2026-09-04 — Published (NVD)
- 2026-09-23 — Last modified (NVD)
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.
References
- https://github.com/datalab-to/marker
- https://github.com/datalab-to/marker/blob/v2.0.0/marker/scripts/server.py
- https://github.com/datalab-to/marker/issues/1047
- https://www.vulncheck.com/advisories/marker-through-2.0.0-path-traversal-via-upload-filename
- https://github.com/datalab-to/marker/issues/1047