CVE-2025-55177—Meta Platforms WhatsApp Incorrect Authorization Vulnerability

Vulnerability Name

Meta Platforms WhatsApp Incorrect Authorization Vulnerability

Description

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.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:

Unknown

Action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Additional Notes

• https://www.whatsapp.com/security/advisories/2025/
• https://nvd.nist.gov/vuln/detail/CVE-2025-55177

Related News Articles

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• Apple backports zero-day patches to older iPhones and iPadsSeptember 16, 2025
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Related Weaknesses

• CWE-863