CVE-2025-55177

CVE-2025-55177 affects WhatsApp products on iOS (prior to v2.25.21.73), WhatsApp Business for iOS (v2.25.21.78), and WhatsApp for Mac (v2.25.21.78). The root cause is incomplete authorization of linked device synchronization messages, which could allow an unrelated user to trigger processing of c...

VulnCheck KEV: CVE-2025-55177

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...