CVE detail
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 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.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 13.9 · diversity 11.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
3 source links · newest first
The vulnerabilities were reported to Meta through its bug bounty program and were patched with updates released earlier this year.
newswww.securityweek.comMay 5, 2026, 9:01 AM- https://www.whatsapp.com/security/advisories/2026www.whatsapp.com
No excerpt available.
Vendor Advisorywww.whatsapp.comMay 1, 2026, 4:16 PM - https://www.facebook.com/security/advisories/cve-2026-23866www.facebook.com
No excerpt available.
Vendor Advisorywww.facebook.comMay 1, 2026, 4:16 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
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