What’s Vulnerable › Vulnerabilities

CVE-2026-85684: marker through 2.0.0 Path Traversal via upload filename

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-04 · updated 2026-09-23
• Weakness: CWE-73

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.

Affected products

• datalab-to marker: through 2.0.0

References

• https://github.com/datalab-to/marker
• https://github.com/datalab-to/marker/blob/v2.0.0/marker/scripts/server.py
• https://github.com/datalab-to/marker/issues/1047
• https://www.vulncheck.com/advisories/marker-through-2.0.0-path-traversal-via-upload-filename
• https://github.com/datalab-to/marker/issues/1047

Get alerted when CVE-2026-85684 or the next vulnerability affects your stack