CVE-2026-34475
CVSS Score
5.4
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-180 |
| Vendor | varnish-software |
| Product | varnish cache |
| Published | Mar 27, 2026 |
| Last Updated | Mar 27, 2026 |
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CVSS v3 Breakdown
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
Affected Versions
varnish-software / Varnish Cache
0 < 6.0.17 LTS 7.0.0 < 8.0.1