CVE-2026-85684CWE-73

CVE-2026-85684

Critical · published September 4, 2026

CVSS v3.1
9.1
EPSS
1%
Percentile
65.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CVSS v4.0
8.8 · 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
EPSS
0.01104 · 65.5th percentile
Weakness
CWE-73 · External Control of File Name or Path
Published
2026-09-04T19:17Z
References (5)
https://github.com/datalab-to/marker · [email protected]https://github.com/datalab-to/marker/blob/v2.0.0/marker/scripts/server.py · [email protected]https://github.com/datalab-to/marker/issues/1047 · [email protected]https://www.vulncheck.com/advisories/marker-through-2.0.0-path-traversal-via-upload-filename · [email protected]https://github.com/datalab-to/marker/issues/1047 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 06 SEP 03:33Z
    EPSS moved — → 1%
    epss
  • 04 SEP 14:32Z
    marker through 2.0.0 Path Traversal via upload filename
    cvelistv5