Filament: Multi-factor authentication (app) recovery codes can still be used multiple times via concurrent submission

Date Jun 25, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product Composer ยท filament/filament
CVE CVE-2026-48505
High-risk advisory CVE-2026-48505

Summary

Filament: Multi-factor authentication (app) recovery codes can still be used multiple times via concurrent submission

Why it matters

GitHub has published a reviewed security advisory for filament/filament. Prioritize it with other application dependency updates, especially because EPSS places it in the 9% percentile.

Operator check

Check whether filament/filament is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.2%; percentile: 9%.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.