Meta Platforms WhatsApp Incorrect Authorization Vulnerability
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.
- Vendor
- Meta Platforms
- Product
- CVSS
- 5.4
- EPSS (exploit probability)
- 4.2%
- Status
- kev
- CISA patch-by (BOD 22-01)
- Published
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.
Added to CISA’s Known Exploited Vulnerabilities catalog on 2025-09-02. Required action per 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. Due date: 2025-09-23.
This is an auto-synced KEV catalog record pending a full 0dayNews write-up — see CISA’s KEV catalog and the NVD record linked above for primary sources.