Filament: Multi-factor authentication (app) can be bypassed when recovery codes are enabled — GHSA-52XP-W8HR-XV3C

Summary

A flaw in the challenge handling for app-based multi-factor authentication allows the second factor to be bypassed. This issue does not affect email-based MFA. It also only applies when recovery codes are enabled.

Timeline

Published by source

2026-09-01

Risk context

• Reported severity or threat level: high.
• Reported CVSS score: 8.1 out of 10.
• Reported EPSS value: 0.00304.
• 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):

• Prioritize patching or mitigation immediately (treat as actively risky).
• 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-52XP-W8HR-XV3C

Source

GitHub

Vendor

GitHub

Published by source

2026-09-01

Last source activity

2026-09-01

Additional identifiers

CVE-2026-77567

Curated by

hlukh.ch

Related advisories and connections

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