SEPTEMBER 14, 2026
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Case File

CVE-2026-23866

MEDIUM · CVSS 4.3 EPSS 0.46% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-05-01 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.3. It affects Android. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

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

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-23866
Severity
MEDIUM
CVSS
4.3
EPSS
0.46%
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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)