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.

CVSS v3 9.1 CRITICAL

9.1^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-04 15:17

Updated : 2026-09-08 18:21

NVD link : CVE-2026-85684

Mitre link : CVE-2026-85684

CVE.ORG link : CVE-2026-85684

JSON object : View

Products Affected

No product.

CWE

CWE-73

External Control of File Name or Path

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