{"id":"DEBIAN-CVE-2026-34475","details":"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.","modified":"2026-09-14T17:03:09.246255303Z","published":"2026-03-27T20:16:36.390Z","upstream":["CVE-2026-34475"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-34475"}],"affected":[{"package":{"name":"varnish","ecosystem":"Debian:12","purl":"pkg:deb/debian/varnish?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.1.1-1.1","7.1.1-1.1+deb12u1","7.1.1-1.2","7.1.1-2+deb12u1","7.5.0-1","7.5.0-2","7.5.0-3","7.6.0-1","7.6.0-2","7.6.1-1","7.6.1-2","7.7.0-1","7.7.0-2","7.7.0-3","7.7.1-1","7.7.2-1","7.7.2-2","7.7.3-1","7.7.3-2","7.7.3-3"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-34475.json"}},{"package":{"name":"varnish","ecosystem":"Debian:13","purl":"pkg:deb/debian/varnish?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.7.0-3","7.7.0-3+deb13u1","7.7.1-1","7.7.2-1","7.7.2-2","7.7.3-1","7.7.3-2","7.7.3-3"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-34475.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}