CVE Catalog

CVE-2026-85684

CriticalCVSS 9.1
Published: Translated: NVD NIST

Summary

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 with directory traversal sequences to write arbitrary files or delete existing files.

Risk Assessment

The risk includes unauthorized file write or deletion, potentially leading to system integrity compromise, data loss, or further privilege escalation.

Recommendation

Immediately implement filename validation and sanitization in the /marker/upload handler and restrict access to trusted users.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS