CVE-2026-34475
low-risk
Published 2026-03-27
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.
Do I need to act?
-
0.04% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.4/10
Medium
NETWORK
/ HIGH complexity
References (1)
22
/ 100
low-risk
Severity
17/34 · Moderate
Exploitability
0/34 · Minimal
Exposure
5/34 · Minimal