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

August 20, 2025

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.

References

github.com/advisories/GHSA-mv33-9f6j-pfmc
github.com/directus/directus
github.com/directus/directus/commit/d84dcc36f75fc5c858d43746b8f9c426c38d696b
github.com/directus/directus/security/advisories/GHSA-mv33-9f6j-pfmc
nvd.nist.gov/vuln/detail/CVE-2025-55746

Code Behaviors & Features

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