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GHSA-qhr7-v3xp-vw9m

Statamic: Missing file upload validation on frontend forms allows uploading disallowed file types

Source: GitHub Advisory Database (reviewed) Moderate CVE-2026-71434

Packages

EcosystemPackageAffectedFixed in
Packagist statamic/cms < 5.74.3 5.74.3
Packagist statamic/cms >= 6.0.0, < 6.24.2 6.24.2

Details

As written in the advisory (Markdown source, shown as plain text).

### Impact Public frontend forms did not enforce the file upload restrictions that the Control Panel enforces, so an unauthenticated visitor could upload file types an administrator had intended to disallow through a form's `assets` or `files` field. For `assets` fields, files could be stored on a public, web-accessible disk. Statamic's global upload allowlist still applied, so executable types such as `.php` and `.html` remained blocked. ### Patches This has been fixed in 5.74.3 and 6.24.2.

References

External links from the advisory. They lead to third-party sites.