CVE-2026-46365: phpMyFAQ: Missing Authorization on Tag Deletion Allows Any Authenticated User to Delete Tags

May 15, 2026 (updated May 21, 2026)

phpMyFAQ before 4.1.2 contains a missing authorization vulnerability in the DELETE /admin/api/content/tags/{tagId} endpoint that allows any authenticated user to delete tags. Any logged-in user, including regular frontend users, can delete arbitrary tags by sending a DELETE request with a valid session cookie, resulting in permanent data loss and disruption of FAQ organization.

References

github.com/advisories/GHSA-5h62-f8fg-4w7q
github.com/thorsten/phpMyFAQ/security/advisories/GHSA-7cx3-2qx2-3g6w
nvd.nist.gov/vuln/detail/CVE-2026-46365
www.vulncheck.com/advisories/phpmyfaq-missing-authorization-in-tag-deletion-endpoint

Code Behaviors & Features

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