Improper Privilege Management Affecting Firefox package, versions [,159)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.35% (29th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Improper Privilege Management vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-UNMANAGED-FIREFOX-21755531
  • published27 Oct 2026
  • disclosed27 Oct 2026
  • creditUnknown

Introduced: 27 Oct 2026

NewCVE-2026-118008  (opens in a new tab)
CWE-269  (opens in a new tab)

How to fix?

Upgrade Firefox to version 159 or higher.

Overview

Affected versions of this package are vulnerable to Improper Privilege Management via the Navigation process. An attacker can gain unauthorized privileges by manipulating navigation events within the Document Object Model.

CVSS Base Scores

version 4.0
version 3.1