Nextcloud: Group restriction bypass via bearer token in user_oidc (SETTING_RESTRICT_LOGIN_TO_GROUPS not enforced in Backend::getCurrentUserId)

A security inconsistency was identified in the useroidc app where group-based login restrictions were enforced in the browser OIDC flow but not in bearer token validation. This could have allowed users outside whitelisted groups to access the Nextcloud API with a valid bearer token...

CVE-2025-26862 PingFederate unexpected browser flow initiation in redirectless mode

Unexpected authentication form rendering in HTML Form Adapter using only non-default redirectless mode in PingFederate allows authentication attempts which may enable brute force login attacks...

CVE-2025-26862 PingFederate unexpected browser flow initiation in redirectless mode

Unexpected authentication form rendering in HTML Form Adapter using only non-default redirectless mode in PingFederate allows authentication attempts which may enable brute force login attacks...

mod_auth_mellon: authentication bypass in ECP flow

A vulnerability was found in modauthmellon. If Apache is configured as a reverse proxy and modauthmellon is configured to only let through authenticated users with the require valid-user directive, adding special HTTP headers that are normally used to start the special SAML ECP non-browser based...