---
id: "CVE-2026-118018"
kind: "vulnerability"
aliases: ["CVE-2026-118018"]
title: "Firefox for Android: Downloads component spoofing issue fixed in 159"
severity: "unknown"
cvss: null
epss: null
exploited: false
status: "open"
category: "other"
products: []
ecosystems: []
tags: ["android", "firefox", "mobile", "other"]
not_affected_if: ["firefox-159-or-later"]
published_at: "2026-10-27T14:16:59+00:00"
first_seen_at: "2026-10-27T14:32:25+00:00"
updated_at: "2026-10-27T14:33:26+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-118018", "first_seen_at": "2026-10-27T14:32:25+00:00"}]
---

# Firefox for Android: Downloads component spoofing issue fixed in 159

A spoofing flaw in the Downloads component of Firefox for Android could let a page or file mislead the user about what they are downloading. The sources do not describe the exact attacker capability beyond spoofing.

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

## How to check

- Check the installed Firefox for Android version in the app's About page or with `unknown` for a managed fleet tool
- Confirm whether the device runs a build below `159`

## Fix

- Update Firefox for Android to `159` or later through the Play Store or your managed app policy

## Timeline

- 2026-10-27T14:32:25+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-118018

## From the sources

Spoofing issue in the Downloads component in Firefox for Android. This vulnerability was fixed in Firefox 159.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_