CVE-2026-24421: phpMyFAQ: /api/setup/backup accessible to any authenticated user (authz missing)

January 23, 2026 (updated January 28, 2026)

Authenticated non‑admin users can call /api/setup/backup and trigger a configuration backup. The endpoint only checks authentication, not authorization, and returns a link to the generated ZIP.

References

github.com/advisories/GHSA-wm8h-26fv-mg7g
github.com/thorsten/phpMyFAQ
github.com/thorsten/phpMyFAQ/security/advisories/GHSA-wm8h-26fv-mg7g
nvd.nist.gov/vuln/detail/CVE-2026-24421

Code Behaviors & Features

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