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CVE-2026-1467— Libsoup: libsoup: http header injection via specially crafted urls when an http proxy is configured

Quick assessment

Affected
Red Hat Red Hat Enterprise Linux 10
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

libsoup是GNOME项目的一款GNOME的HTTP客户端/服务器库。 libsoup存在注入漏洞，该漏洞源于配置HTTP代理时处理URL解码输入不当，可能导致CRLF注入攻击。

CVSS 5.8 · Medium EPSS 0.37% · P28

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-1467

Vulnerability Information
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Vulnerability Title
Libsoup: libsoup: http header injection via specially crafted urls when an http proxy is configured
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in libsoup, an HTTP client library. This vulnerability, known as CRLF (Carriage Return Line Feed) Injection, occurs when an HTTP proxy is configured and the library improperly handles URL-decoded input used to create the Host header. A remote attacker can exploit this by providing a specially crafted URL containing CRLF sequences, allowing them to inject additional HTTP headers or complete HTTP request bodies. This can lead to unintended or unauthorized HTTP requests being forwarded by the proxy, potentially impacting downstream services.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对CRLF序列的转义处理不恰当(CRLF注入)
Source: CVE Program / CVE List V5
Vulnerability Title
libsoup 注入漏洞
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存在注入漏洞，该漏洞源于配置HTTP代理时处理URL解码输入不当，可能导致CRLF注入攻击。
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 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
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-2026-1467

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III. Intelligence Information for CVE-2026-1467

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Vendor Advisories for CVE-2026-1467 (1)

Same Patch Batch · Red Hat · 2026-01-27 · 4 CVEs total

CVE-2026-1489 5.4 MEDIUM Glib: glib: memory corruption via integer overflow in unicode case conversion
CVE-2026-1484 4.2 MEDIUM Glib: integer overflow leading to buffer underflow and out-of-bounds write in glib g_base6
CVE-2026-1485 2.8 LOW Glib: glib: local denial of service via buffer underflow in content type parsing

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 10
Same vendor: Red Hat
Same weakness: CWE-93

V. Comments for CVE-2026-1467

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