ZeroHour

CVE-2026-23866

CVSS 3.1
4.3 medium
EPSS
<1%p39
Published
()
Modified
Description

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.

Vendors
whatsapp
Products
whatsapp
Weakness
CWE-940
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

In the news

No ingested article mentions this CVE yet.