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

provenance: imported · CVE: CVE-2025-55177

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

CISA Known Exploited Vulnerability (KEV)


Vendor / project	Meta Platforms
Product	WhatsApp
Date added	2025-09-02
Due date	2025-09-23
Ransomware campaign use	Unknown

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.

Required action (CISA)

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

Notes

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

References

NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-55177
KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

concept/cve-anatomy