VYPR
Get started
← All advisories
Medium severity4.3NVD Advisory· Published May 1, 2026· Updated May 11, 2026

CVE-2026-23866

CVE-2026-23866

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.

Affected products

2
  • Whatsapp/Whatsapp2 versions
    cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:android:*:*+ 1 more
    • cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:android:*:*range: >=2.25.8.0,<=2.26.7.10
    • cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:iphone_os:*:*range: >=2.25.8.0,<=2.26.15.72

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

2

News mentions

19