CVE-2025-55177
Meta Platforms WhatsApp Incorrect Authorization Vulnerability
Summary
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.
Affected software
Vendor: Meta Platforms · Product: WhatsApp
Weakness types (CWE):
What to do
This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.
Related vulnerabilities in Meta Platforms
| CVE | Name | EPSS | Exploited |
|---|---|---|---|
| CVE-2019-18426 | WhatsApp Cross-Site Scripting Vulnerability | 67.9% | Yes |
| CVE-2019-3568 | WhatsApp VOIP Stack Buffer Overflow Vulnerability | 39.2% | Yes |
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