CVE-2026-17789 is a vulnerability in Google Chrome for iOS versions before 151.0.7922.72 where insufficient validation of untrusted input allows a remote attacker to bypass navigation restrictions. This could be exploited through malicious network traffic. The vulnerability is rated medium severity with a CVSS 3.1 base score of 6.5 (AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N), indicating that exploitation requires user interaction but can lead to high integrity impact without affecting confidentiality or availability. The vendor advisory URL is provided but does not explicitly confirm patch availability or remediation status.

An attacker can bypass navigation restrictions in Chrome for iOS by sending malicious network traffic, potentially leading to unauthorized actions or integrity compromise within the browser context. There is no indication of impact on confidentiality or availability. No known exploits in the wild have been reported.

Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html for current remediation guidance. Until official confirmation, users should update to the latest Chrome for iOS version once available and exercise caution with untrusted network content.