4.3
Medium
CVE-2026-23866 Incomplete validation of AI rich response messages for Instagram Reels in WhatsApp for iOS v2.25.8.0 to v2.26.15.72…
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 and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| WhatsApp for Android 2.25 | 2.25.8.0 → < 2.26.7.10 | 2.26.7.10 |
| WhatsApp for iOS 2.25 | 2.25.8.0 → < 2.26.15.72 | 2.26.15.72 |
Other CVEs of WhatsApp for Android
The 23 CVEs of WhatsApp for Android →
CVE-2023-38538
A race condition in an event subsystem led to a heap use-after-free issue in established audio/video calls that could…
5.0
Medium
CVE-2023-38537
A race condition in a network transport subsystem led to a heap use-after-free issue in established or unsilenced…
5.6
Medium
CVE-2021-24042
The calling logic for WhatsApp for Android prior to v2.21.23, WhatsApp Business for Android prior to v2.21.23,…
9.8
Critical
CVE-2021-24041
A missing bounds check in image blurring code prior to WhatsApp for Android v2.21.22.7 and WhatsApp Business for Android…
Not rated