CVE-2026-39924: Insufficient Session Expiration

Flarum before 1.8.16 contains an improper session invalidation vulnerability that allows attackers who hold a valid session token to retain full account access after a victim changes their password, because the accesstokens table is never cleared on password change events. The...

CVE-2026-40166: Exposure of Sensitive Information to an Unauthorized Actor

authentik is an open-source identity provider. In versions prior to 2025.12.5 and 2026.2.0-rc1 through 2026.2.2, authenticated non-admin users with at least one OAuth2 access token can retrieve the clientsecret of confidential OAuth2 providers they have previously authenticated against, exposing...

Phabricator: OAuth access_token stealing in Phabricator

Hi, I found that an attacker is able to steal accesstokens of facebook users via Phabricator App 184510521580034. when users login to phabricator, they can choose to login via Facebook https://secure.phabricator.com/login/ attaching pic, In this case an attacker is able to exploit this behavior t...