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CVE-2026-23866

MEDIUM · CVSS 4.3 EPSS 0.01% Public Exploit

Source: NVD + CISA KEV + EPSS · Published: 2026-05-01 · Last synced: 2026-05-31

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Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

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CVE
CVE-2026-23866
Severity
MEDIUM
CVSS
4.3
EPSS
0.01%
Android

Original NVD 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.