CVE-2025-66286

April 24, 2026, 2:50 p.m.

4.7
Medium

Description

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.

Product(s) Impacted

Vendor Product Versions
Webkitgtk
  • Webkitgtk
  • *
Wpewebkit
  • Wpewebkit
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-639
Authorization Bypass Through User-Controlled Key
The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a webkitgtk webkitgtk / / / / / / / /
a wpewebkit wpewebkit / / / / / / / /

References

https://access.redhat.com/security/cve/CVE-2025-66286
https://bugs.webkit.org/show_bug.cgi?id=259787
https://bugzilla.redhat.com/show_bug.cgi?id=2424652

Tags

[email protected]
CWE-639
2026-04-23
CVE-2025-66286

CVSS Score

4.7 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Privileges Required: NONE
  • Scope: CHANGED
  • Confidentiality Impact: LOW
  • Integrity Impact: NONE
  • Availability Impact: NONE

    • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N

    View Vector String

Timeline

Published: April 23, 2026, 1:16 p.m.
Last Modified: April 24, 2026, 2:50 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.