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I. Basic Information for CVE-2026-34475
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Varnish Cache before 8.0.1 and Varnish Enterprise before 6.0.16r12, in certain unchecked req.url scenarios, mishandle URLs with a path of / for HTTP/1.1, potentially leading to cache poisoning or authentication bypass.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
不正确的行为次序：规范化之前验证
Source: NVD (National Vulnerability Database)
Vulnerability Title
Varnish Cache 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Varnish Cache是Varnish公司的一套反向网站缓存服务器。 Varnish Cache 8.0.1之前版本存在安全漏洞，该漏洞源于对特定未检查req.url场景的处理不当，可能导致缓存投毒或身份验证绕过。
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
VendorProductAffected VersionsCPESubscribe
varnish-softwareVarnish Cache 0 ~ 6.0.17 LTS -
II. Public POCs for CVE-2026-34475
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III. Intelligence Information for CVE-2026-34475
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IV. Related Vulnerabilities
Same product: Varnish Cache
Same vendor: varnish-software
Same weakness: CWE-180
V. Comments for CVE-2026-34475

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