MEDIUMCVSS 4.2Vulnerability

CVE-2026-55186

### 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.

Properties

Severity
medium
Summary
MultiFactor Authentication for SilverStripe can bypass MFA during password reset flow
Cvss score
4.2
Retrieved at
2026-10-29T19:55:32+00:00
Ghsa published
2026-10-29T16:32:39Z
Source url
https://github.com/advisories/GHSA-68wq-phq7-p2vg
Ghsa updated
2026-10-29T16:32:40Z
Ghsa id
GHSA-68wq-phq7-p2vg
Last source
GitHub Advisory Database
Cve id
CVE-2026-55186
Cvss vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
First seen by Signal
2026-10-29T19:55:32+00:00
Is ghsa only
false

Related Entities (3)

AFFECTS (1)

VULNERABLE_TO (1)

Explore deeper with Ninja Signal's threat intelligence graph

CVE-2026-55186 (CVSS 4.2) — Ninja Signal Threat Intelligence | Ninja Signal