Security Advisory

CVE-2026-85684

9.1
CRITICAL

Vulnerability 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.
Published Date September 4, 2026
Official Source NIST NVD Advisory