PatchSiren

Flarum CVE debriefs

These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.

HIGH Flarum CVE published 2026-08-05

CVE-2026-39924

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-05T16:16:56.137Z and has not been modified since then. Flarum versions before 1.8.16 contain an improper session invalidation vulnerability. When a user changes their password, the access_tokens table is not cleared, allowing attackers with valid session tokens to retain full account access. The Tok [truncated]

CRITICAL Flarum CVE published 2026-08-05

CVE-2026-39923

Executive overview of CVE-2026-39923: Flarum, a popular discussion platform, is affected by a critical vulnerability (CVSS Score: 9.2) that allows unauthenticated attackers to bypass password reset token expiry. This vulnerability, tracked as CVE-2026-39923, impacts Flarum versions prior to 1.8.16. The issue arises from the SavePasswordController::handle() method calling PasswordToken::findOrFail() withou [truncated]