VULNERABILITY INTELLIGENCE

CVE-2026-34475

CVSS score5.4 MEDIUM
EPSS probability0.21%
CISA KEVNot currently listed
Published2026-03-27
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N

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.

Weakness classification

  • cve@mitre.org: CWE-180

Primary references