---
id: "CVE-2026-124936"
page: "https://infrastack.ai/live/CVE-2026-124936"
kind: "vulnerability"
aliases: ["CVE-2026-124936"]
title: "Firefox: Address Bar spoofing flaw lets a page fake the URL shown"
severity: "unknown"
cvss: null
epss: null
exploited: false
status: "open"
category: "other"
products: [{"name": "Firefox", "fixed": [], "affected": "", "ecosystem": "runtime"}]
ecosystems: ["runtime"]
tags: ["browser", "desktop", "firefox", "other"]
not_affected_if: ["firefox-160-or-later"]
published_at: "2026-11-10T14:17:27+00:00"
first_seen_at: "2026-11-10T14:22:19+00:00"
updated_at: "2026-11-10T14:24:12+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-124936", "first_seen_at": "2026-11-10T14:22:19+00:00"}]
exploit_sources: []
---

# Firefox: Address Bar spoofing flaw lets a page fake the URL shown

Link for people: https://infrastack.ai/live/CVE-2026-124936 (this .md is for agents)

A spoofing flaw in the Firefox Address Bar can make a page display a misleading address. An attacker could use this to pass off a fake site as a trusted one.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- runtime:Firefox affected range not listed fixed no fixed version listed

## How to check

- Check the Firefox version with Help > About Firefox
- Versions below `160` are reported as affected by the source text

## Fix

- Firefox: `160`

## Timeline

- 2026-11-10T14:22:19+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-124936

## From the sources

Spoofing issue in the Address Bar component. This vulnerability was fixed in Firefox 160.

---

_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_