Is CVE-2026-85684 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-85684?

CVE-2026-85684 has a CVSS v3 severity of CRITICAL (9.1).

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CVE-2026-85684

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.