CVE-2026-5119— Libsoup: libsoup: information disclosure via cleartext transmission of cookies during https tunnel establishment
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I. Basic Information for CVE-2026-5119
Vulnerability Information
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Vulnerability Title
Libsoup: libsoup: information disclosure via cleartext transmission of cookies during https tunnel establishment
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in libsoup. When establishing HTTPS tunnels through a configured HTTP proxy, sensitive session cookies are transmitted in cleartext within the initial HTTP CONNECT request. A network-positioned attacker or a malicious HTTP proxy can intercept these cookies, leading to potential session hijacking or user impersonation.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
敏感数据的明文传输
Source: NVD (National Vulnerability Database)
Vulnerability Title
libsoup 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libsoup是GNOME项目的一款GNOME的HTTP客户端/服务器库。 libsoup存在安全漏洞，该漏洞源于通过配置的HTTP代理建立HTTPS隧道时，敏感会话cookie在初始HTTP CONNECT请求中以明文传输，可能导致会话劫持或用户冒充。
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 8 | 0:2.62.3-14.el8_10 ~ * | cpe:/a:redhat:enterprise_linux:8::appstream | |
| Red Hat | Red Hat Enterprise Linux 8 | 0:2.62.3-14.el8_10 ~ * | cpe:/a:redhat:enterprise_linux:8::appstream | |
| Red Hat | Red Hat Enterprise Linux 9 | 0:2.72.0-12.el9_7.6 ~ * | cpe:/a:redhat:enterprise_linux:9::appstream | |
| Red Hat | Red Hat Enterprise Linux 10 | - | cpe:/o:redhat:enterprise_linux:10 | |
| 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 |
II. Public POCs for CVE-2026-5119
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|---|
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Same Patch Batch · Red Hat · 2026-03-30 · 4 CVEs total
| CVE-2026-5121 | 7.5 HIGH | Libarchive: libarchive: arbitrary code execution via integer overflow in iso9660 image pro |
| CVE-2026-5164 | 6.7 MEDIUM | Virtio-win: virtio-win: denial of service via unvalidated descriptor count in unmap reques |
| CVE-2026-5165 | 6.7 MEDIUM | Virtio-win: virtio-win: memory corruption via use-after-free in virtio blk device reset |
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V. Comments for CVE-2026-5119
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