CVE-2026-39976 Laravel Passport's TokenGuard Authenticates Unrelated User for Client Credentials Tokens

Laravel Passport provides OAuth2 server support to Laravel. From 13.0.0 to before 13.7.1, there is an Authentication Bypass for clientcredentials tokens. the league/oauth2-server library sets the JWT sub claim to the client identifier since there's no user. The token guard then passes this value ...

CVE-2026-39976

CVE-2026-39976 affects Laravel Passport's TokenGuard in versions 13.0.0–13.7.0. The underlying league/oauth2-server sets the JWT sub claim to the client identifier (no user) and TokenGuard passes this value to retrieveById() without validating that it is a user, allowing a client_credentials toke...

Meta Platforms WhatsApp Incorrect Authorization Vulnerability

Meta Platforms WhatsApp contains an incorrect authorization vulnerability due to an incomplete authorization of linked device synchronization messages. This vulnerability could allow an unrelated user to trigger processing of content from an arbitrary URL on a target’s device...

CVE-2025-55177

Incomplete authorization of linked device synchronization messages in WhatsApp for iOS prior to v2.25.21.73, WhatsApp Business for iOS v2.25.21.78, and WhatsApp for Mac v2.25.21.78 could have allowed an unrelated user to trigger processing of content from an arbitrary URL on a target’s device. We...

CVE-2025-55177

Incomplete authorization of linked device synchronization messages in WhatsApp for iOS prior to v2.25.21.73, WhatsApp Business for iOS v2.25.21.78, and WhatsApp for Mac v2.25.21.78 could have allowed an unrelated user to trigger processing of content from an arbitrary URL on a target’s device. We...