CVE-2025-55746: Directus allows unauthenticated file upload and file modification due to lacking input sanitization

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-08-20 · updated 2026-06-17
Weakness: CWE-73

Description

Directus is a real-time API and App dashboard for managing SQL database content. From 10.8.0 to before 11.9.3, a vulnerability exists in the file update mechanism which allows an unauthenticated actor to modify existing files with arbitrary contents (without changes being applied to the files' database-resident metadata) and / or upload new files, with arbitrary content and extensions, which won't show up in the Directus UI. This vulnerability is fixed in 11.9.3.

Affected products

directus: from 10.8.0 before 11.9.3 — fixed in 11.9.3

How to fix

Upgrade to a fixed version: directus 11.9.3. Check the vendor advisory for mitigations.

References

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