CVE-2025-66286— Webkitgtk: authorization bypass through webpage::send-request signal handler
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I. Basic Information for CVE-2025-66286
Vulnerability Information
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Vulnerability Title
Webkitgtk: authorization bypass through webpage::send-request signal handler
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: NVD (National Vulnerability Database)
Vulnerability Title
WebKitGTK 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WebKitGTK是WebKitGTK公司的WebKit渲染引擎的全功能端口，适用于需要任何类型的Web集成的项目，包括混合HTML / CSS应用程序到成熟的Web浏览器。它提供WebKit的全部功能，适用于从台式计算机到手机，平板电脑和电视等嵌入式系统的各种系统。 WebKitGTK存在安全漏洞，该漏洞源于API设计缺陷，允许不受信任的Web内容执行IP连接、DNS查询和HTTP请求，绕过WebPage::send-request信号处理程序。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 6 | - | cpe:/o:redhat:enterprise_linux:6 | |
| Red Hat | Red Hat Enterprise Linux 7 | - | cpe:/o:redhat:enterprise_linux:7 | |
| Red Hat | Red Hat Enterprise Linux 7 | - | cpe:/o:redhat:enterprise_linux:7 | |
| Red Hat | Red Hat Enterprise Linux 8 | - | cpe:/o:redhat:enterprise_linux:8 | |
| Red Hat | Red Hat Enterprise Linux 9 | - | cpe:/o:redhat:enterprise_linux:9 |
II. Public POCs for CVE-2025-66286
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|---|
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Same Patch Batch · Red Hat · 2026-04-23 · 6 CVEs total
| CVE-2026-34003 | 7.8 HIGH | Xorg: xwayland: x.org x server: information exposure and denial of service via out-of-boun |
| CVE-2026-34001 | 7.8 HIGH | Xorg: xwayland: x.org x server: use-after-free vulnerability leads to server crash and pot |
| CVE-2026-33999 | 7.8 HIGH | Xorg: xwayland: x.org x server: denial of service via integer underflow in xkb compatibili |
| CVE-2026-6732 | 6.5 MEDIUM | Libxml2: libxml2: denial of service via crafted xsd-validated document |
| CVE-2026-2708 | 3.7 LOW | Libsoup: libsoup: http request smuggling via duplicate content-length headers |
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V. Comments for CVE-2025-66286
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