GHSA-68wq-phq7-p2vg

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    GHSA-68wq-phq7-p2vg

    Published: 29 Oct 2026Last Modified: 3 Nov 2026

    Summary: MultiFactor Authentication for SilverStripe can bypass MFA during password reset flow

    Details: ### 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.

    References: https://github.com/silverstripe/silverstripe-mfa/security/advisories/GHSA-68wq-phq7-p2vg, https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/mfa/CVE-2026-55186.yaml, https://github.com/silverstripe/silverstripe-mfa, https://github.com/silverstripe/silverstripe-mfa/releases/tag/6.0.0, https://www.silverstripe.org/download/security-releases/cve-2026-55186

    Affected packages

    Package

    Name: silverstripe/mfa

    Purl: pkg:composer/silverstripe/mfa

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -6.0.0

    Affected versions

    3.0.0
    3.0.0-rc1
    3.0.1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High