CVE-2026-40394

Varnish Cache 9 before 9.0.1 and Varnish Enterprise before 6.0.16r11 are affected by a workspace overflow during HTTP/2 session upgrade. The vulnerability arises when the HTTP/2 upgrade path repurposes an HTTP/1 request as stream zero and allocates a buffer to reserve space for frames, which can ...

PT-2026-32183

Name of the Vulnerable Software and Affected Versions Varnish Cache versions prior to 9.0.1 Varnish Enterprise versions prior to 6.0.16r11 Description Varnish Cache and Varnish Enterprise are susceptible to a denial of service daemon panic due to a workspace overflow. This occurs when handling...

Varnish Cache 安全漏洞

Varnish Cache is a set of reverse website caching servers developed by the Varnish company. Versions of Varnish Cache prior to 9.0.1 contained security vulnerabilities. These vulnerabilities stemmed from a situation where, after a timeoutlinger period, malicious clients might send HTTP/1 requests...

Varnish Cache和Varnish Enterprise 安全漏洞

Varnish Cache and Varnish Enterprise are both products from the Varnish company. Varnish Cache is a set of reverse website caching servers. Varnish Enterprise is a high-performance caching software designed for handling high-traffic and optimizing businesses. There were security vulnerabilities i...

PT-2026-32185

Name of the Vulnerable Software and Affected Versions Varnish Cache versions prior to 9.0.1 Description Varnish Cache 9 before 9.0.1 is susceptible to a denial of service due to a workspace overflow, potentially leading to a daemon panic. A malicious client can exploit this by sending an HTTP/1...

SUSE CVE-2026-34475

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...

CVE-2026-34475

A flaw was found in Varnish Cache and Varnish Enterprise. A remote attacker could exploit this vulnerability by sending specially crafted HTTP/1.1 requests with a path of / in the URL. This mishandling of URLs, specifically in unchecked req.url scenarios, could lead to cache poisoning, where an...

Linux Distros Unpatched Vulnerability : CVE-2026-34475

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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,...

EUVD-2026-16801

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...

CVE-2026-34475

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...

DEBIAN-CVE-2026-34475

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...

UBUNTU-CVE-2026-34475

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...

CVE-2026-34475

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...

CVE-2026-34475

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...

CVE-2026-34475

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...

CVE-2026-34475

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...

CVE-2026-34475

CVE-2026-34475 affects Varnish Cache (Open Source) ≤ 8.0.0 and Varnish Enterprise ≤ 6.0.16r11, where an unchecked req.url in HTTP/1.1 requests with a root path (/) can be passed to backends that accept absolute-form URIs, enabling cache poisoning or authentication bypass. The issue stems from how...

CVE-2026-34475

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...

PT-2026-28633

Name of the Vulnerable Software and Affected Versions Varnish Cache versions prior to 8.0.1 Varnish Enterprise versions prior to 6.0.16r12 Description The software may improperly handle URLs with a path of '/' for HTTP/1.1 in certain unchecked request URL scenarios. This could potentially lead to...

Varnish Cache 安全漏洞

Varnish Cache is a set of reverse website caching servers developed by the Varnish company. Versions of Varnish Cache prior to 8.0.1 contained security vulnerabilities. These vulnerabilities stemmed from improper handling of certain unchecked req.url scenarios, which could lead to cache poisoning...