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Advisory record · GHSA-68wq-phq7-p2vg

MultiFactor Authentication for SilverStripe can bypass MFA during password reset flow

CVSS 4.2 MediumEPSS 0.0028 · 20th percentile

Published by the GitHub Advisory Database at 29 Oct 2026, 16:32 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
silverstripe/mfaPackagist<6.0.06.0.0
Identifiers
GHSA-68wq-phq7-p2vg · CVE-2026-55186 · PKSA-xxk3-rjxm-jftv
Weakness (CWE)
CWE-288
Tags
Published
29 Oct 2026
Updated
3 Nov 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

The silverstripe/mfa Packagist package is vulnerable in versions before 6.0.0, in the CMS 5 password reset flow. A user with multi-factor authentication enabled could reset their password and obtain a logged-in session without completing MFA, but the attacker would need access to the user's email account. The fix is included in version 6.0.0, so upgrade to that release.

Written 31 Oct 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
4.2 Medium 3.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0028, the 20th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 1 Jan 2026, 00:00 UTC Confirmed by Packagist
  2. 29 Oct 2026, 16:32 UTC Confirmed by GitHub Advisory Database
  3. 31 Oct 2026, 13:53 UTC First seen by agentprime
  4. 31 Oct 2026, 13:53 UTC Confirmed by OSV
  5. 3 Nov 2026, 20:48 UTC Confirmed by the CVE List
  6. 3 Nov 2026, 21:17 UTC Confirmed by NVD

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.