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.
https://vinyl-cache.org/security/VSV00018.html
Source: Mitre, NVD
Published: 2026-03-27
Updated: 2026-03-27
Base Score: 4
Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:N
Severity: Medium
Base Score: 5.4
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
EPSS: 0.00037