---
id: CVE-2025-1941
title: >-
  Under certain circumstances, a user opt-in setting that Focus should require
  authentication before use could have been be bypassed (distinct from
  CVE-2025-0245)
summary: >-
  Under certain circumstances, a user opt-in setting that Focus should require
  authentication before use could have been be bypassed (distinct from
  CVE-2025-0245). This vulnerability was fixed in Firefox 136.
severity: critical
cvss: 9.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-284
vendor: mozilla
product: firefox
affected:
  - firefox < 136.0
patched:
  - firefox 136.0
published: '2025-03-04'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T19:10:01.007'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-1941'
references:
  - url: 'https://bugzilla.mozilla.org/show_bug.cgi?id=1944665'
    label: security@mozilla.org
  - url: 'https://www.mozilla.org/security/advisories/mfsa2025-14/'
    label: security@mozilla.org
tags:
  - nvd
epss: 0.00366
epssPercentile: 0.27987
ingestedAt: '2026-09-30T19:21:07.229Z'
---

## Overview

Under certain circumstances, a user opt-in setting that Focus should require authentication before use could have been be bypassed (distinct from CVE-2025-0245). This vulnerability was fixed in Firefox 136.

## Affected

- `firefox < 136.0`

## Remediation

Upgrade past the affected range:

- `firefox 136.0`