Filament: Multi-factor authentication (app) codes can still be used after a newer code has been used — GHSA-R3J6-GPJW-QFJR

Summary

A flaw in the handling of one-time codes for app-based multi-factor authentication allows a previously issued code to be used after a newer code has already been accepted. This issue does not affect email-based MFA. Submitting the exact same code twice was already prevented, but any other code within the accepted time window was not. If an attacker gains access to both the user's password and a single one-time…

Timeline

Published by source

2026-09-01

Risk context

• Reported severity or threat level: medium.
• Reported CVSS score: 6.5 out of 10.
• Review exposure for the affected product or family: composer: filament/filament.

Product

composer: filament/filament

What to do

General, cautious steps (verify details in the official source):

• Review exposure and plan remediation based on risk and environment.
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source
• CVE Record
• NVD

Evidence and provenance

Canonical advisory ID

GHSA-R3J6-GPJW-QFJR

Source

GitHub

Vendor

GitHub

Published by source

2026-09-01

Last source activity

2026-09-01

Additional identifiers

CVE-2026-84306

Curated by

hlukh.ch

Related advisories and connections

These advisories are connected by shared CVE, product, vendor, source, or time signals.