# CVE-2026-17830: Google Chrome for iOS navigation restriction bypass

Source: https://junglewise.ai/threats/cve-2026-17830-google-chrome-for-ios-navigation-restriction-bypass  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-30. Updated: 2026-07-30  
License: CC BY 4.0 with a link back

CVE-2026-17830 · Severity: info · CVSS 4.3 · Published 2026-07-30

A security issue has been identified in Google Chrome for iOS, the mobile web browser used on iPhones and iPads. A remote attacker could use a specially crafted website to bypass security restrictions that normally control how the browser navigates between pages. While this is considered a medium-severity issue, it could potentially be used to trick users or interfere with the intended security boundaries of a website.

Technologies: [Google Chrome for iOS](https://junglewise.ai/threats/technologies/chrome-for-ios). Vendors: [Google](https://junglewise.ai/threats/vendors/google).

## Quick answers

**Is CVE-2026-17830 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-17830 being exploited in the wild.

**How severe is CVE-2026-17830?** Informational severity, with a CVSS score of 4.3, published 30 July 2026.

**Which products and versions are affected?** Google Chrome for iOS prior to 151.0.7922.72.

**Is there a fix for CVE-2026-17830?** A patch was published on 2026-07-29: Fixed in version 151.0.7922.72 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-17830 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-17830?** Check whether you run Google Chrome for iOS at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

An inappropriate implementation vulnerability exists in Google Chrome for iOS prior to version 151.0.7922.72. The flaw resides in the navigation component, where insufficient validation allows a remote attacker to bypass intended navigation restrictions. By enticing a user to visit a specially crafted HTML page, an attacker can trigger unauthorized navigation actions. This issue is categorized by Chromium as Medium severity. Users are advised to update to version 151.0.7922.72 or later to mitigate this risk.

## Affected products

- Google Chrome for iOS prior to 151.0.7922.72

## Timeline

- 2026-07-29: patched: Fixed in version 151.0.7922.72
- 2026-07-30: disclosed

## References

- [https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html](https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html)
- [https://issues.chromium.org/issues/517710397](https://issues.chromium.org/issues/517710397)

## Related threats

- [Google Chrome for iOS UI spoofing via crafted HTML page](https://junglewise.ai/threats/cve-2026-18013-google-chrome-for-ios-ui-spoofing-via-crafted-html-page)
- [Google Chrome for iOS UI spoofing via crafted HTML page](https://junglewise.ai/threats/cve-2026-18003-google-chrome-for-ios-ui-spoofing-via-crafted-html-page)
- [Google Chrome for iOS use after free heap corruption](https://junglewise.ai/threats/cve-2026-17967-google-chrome-for-ios-use-after-free-heap-corruption)
- [Google Chrome for iOS no-referrer policy bypass](https://junglewise.ai/threats/cve-2026-17960-google-chrome-for-ios-no-referrer-policy-bypass)
- [Google Chrome for iOS navigation restriction bypass](https://junglewise.ai/threats/cve-2026-17944-google-chrome-for-ios-navigation-restriction-bypass)