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Kirby CMS: Missing authorization check in clean file redirects for top-level draft pages

Missing authorization check in clean file redirects for top-level draft pages allowed unauthorized access to files stored in drafts.

19 Jun 2026Read 1 minSeverity: schedule it

What changed

Missing authorization check in clean file redirects for top-level draft pages allowed unauthorized access to files stored in drafts.

Who it affects

Kirby CMS sites with `content.fileRedirects` enabled (Kirby 5) or default (Kirby 4) that have top-level draft pages with files.

What to do today

Update to Kirby 4.9.4 or 5.4.4 or later to fix the vulnerability.

The trail
Collected Audited Written Published