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CVE-2026-34475

MEDIUM CVSS: 5.4 Published: 2026-03-27 Modified: 2026-06-17

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.

Affected Platforms

Vinyl-Cache Vinyl CacheVarnish-Software Varnish Enterprise

Weakness Type

CWE-180

References