CVE-2026-34475

—

CVSS 3.1

9.8 critical

EPSS

<1%p10

Published

Mar 27, 2026 (Mar 27, 2026)

Modified

Jun 17, 2026

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.

Vendors: varnish-software vinyl-cache
Products: varnish enterprise, vinyl cache
Weakness: CWE-180
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.2%)

In the news0 stories

No ingested article mentions this CVE yet.