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CVE-2026-34475

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CVE-2026-34475

Published: Mar 27, 2026

Modified: Mar 27, 2026

PUBLISHED

CVSS v3.1

5.4

MEDIUM

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.

VendorProductVersions

varnish-software

Varnish Cache

affected
0 - < 6.0.17 LTS
affected
7.0.0 - < 8.0.1

Weaknesses (CWE)

CWE-180

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

References

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