Medium, CVSS 4.2PackagistAmendedPublished
MultiFactor Authentication for SilverStripe can bypass MFA during password reset flow
CVE-2026-55186 · GHSA-68wq-phq7-p2vg
- Affected
- Packagist silverstripe/mfa < 6.0.0
- Fixed in
- 6.0.0· Vendor fix available
- Issue
- Impact In CMS 5, the password reset flow let a user with multi-factor authentication enabled change their password and get a logged-in session before completing multi-factor authentication. Exploiting this requires access to the user's email account. CMS 6 is not affected.
Recommended action: Upgrade to 6.0.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.