CVE-2026-86853

A malicious webpage could repeatedly trigger external URL schemes, causing system prompts or external application launches. This could make Firefox for iOS temporarily unusable until the page is closed. This vulnerability was fixed in Firefox for iOS 155.1.

• CWE-451

• https://bugzilla.mozilla.org/show_bug.cgi?id=1847631
• https://www.mozilla.org/security/advisories/mfsa2026-89/

Published

Sep 8, 2026

Last Modified

Sep 8, 2026

Status

Awaiting Analysis

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2026-86819Waves Central for macOS contains a local privilege escalatio…7.1
• CVE-2026-8682The 3D Viewer – 3D Model Viewer – Augmented Reality – Virtua…4.3
• CVE-2026-8683Mattermost Desktop App versions <=6.1 5.5.13.0 fail to accou…6.5
• CVE-2026-8684The MotoPress Hotel Booking plugin for WordPress is vulnerab…5.3
• CVE-2026-86840The `vtoken-minting` and `slpx` pallets in Bifrost contain a…
• CVE-2026-8685The Infility Global plugin for WordPress is vulnerable to SQ…6.5
• CVE-2026-8686Missing bounds validation in the MQTT v5.0 property parser i…9.1
• CVE-2026-8688The Advance Nav Menu Manager plugin for WordPress is vulnera…4.3
• CVE-2026-8689The Visualizer: Tables and Charts Manager for WordPress plug…4.3
• CVE-2026-8690The RentMy Real-Time Rental Management Plugin plugin for Wor…5.3
• CVE-2026-8692The Vedrixa Forms – User Registration Form, Signup Form & Dr…4.3
• CVE-2026-8694Improper access control in Devolutions PowerShell Universal …5.3