CVE-2026-85684

marker through 2.0.0 Path Traversal via upload filename

Published Sep 4, 2026 CVSS 4.0 · 8.8 High EPSS 1.1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Datalab-to
Datalab-to marker
Vendors & Products Datalab-to
Datalab-to marker
Type Values Removed Values Added
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.
Title marker through 2.0.0 Path Traversal via upload filename
Weaknesses CWE-73
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H'}

cvssV4_0

{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 8, 2026, 5:07 PM
Reserved
Sep 4, 2026, 1:51 PM
Status
Deferred
Published
Sep 4, 2026, 3:17 PM
Modified
Sep 23, 2026, 5:17 PM