CVE-2026-23866
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
Incomplete validation of AI rich response messages for Instagram Reels in WhatsApp for iOS v2.25.8.0 to v2.26.15.72 and WhatsApp for Android v2.25.8.0 to v2.26.7.10 could have allowed a user to trigger processing of media content from an arbitrary URL on another user’s device, including triggering OS-controlled custom URL scheme handlers. We have not seen evidence of exploitation in the wild.
| Vendor | |
| Product | whatsapp for android |
| Published | May 1, 2026 |
| Last Updated | May 1, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:F/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Facebook / WhatsApp for Android
2.25.8.0 < 2.26.7.10
Facebook / WhatsApp for iOS
2.25.8.0 < 2.26.15.72