Authorization Bypass Through User-Controlled Key Affecting webkit2gtk package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.23% (14th percentile)

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  • Snyk IDSNYK-UBUNTU2604-WEBKIT2GTK-16232991
  • published7 May 2026
  • disclosed23 Apr 2026

Introduced: 23 Apr 2026

CVE-2025-66286  (opens in a new tab)
CWE-639  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:26.04 webkit2gtk.

NVD Description

Note: Versions mentioned in the description apply only to the upstream webkit2gtk package and not the webkit2gtk package as distributed by Ubuntu. See How to fix? for Ubuntu:26.04 relevant fixed versions and status.

An API design flaw in WebKitGTK and WPE WebKit allows untrusted web content to unexpectedly perform IP connections, DNS lookups, and HTTP requests. Applications expect to use the WebPage::send-request signal handler to approve or reject all network requests. However, certain types of HTTP requests bypass this signal handler.

CVSS Base Scores

version 3.1