CVE-2026-85684

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.

Scoring

Severity
HIGH
CVSS base score
9.1
CVSS vector
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 probability
0.66%
CWE
CWE-73
Published
2026-09-04
Last modified
2026-09-08

Affected products

Weakness type

Related vulnerabilities

Markdown version · Browse all CVEs