Meta Platforms WhatsApp Incorrect Authorization Vulnerability

When

2025-09-02 00:00 UTC · day precision

Where

Global (internet)

Category

cyber_exploit

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.

Sources

• CISA ↗ · first seen 2025-09-02 00:00 UTC

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