DEBIAN-CVE-2026-34475

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Source

https://security-tracker.debian.org/tracker/CVE-2026-34475

Import Source

https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-34475.json

JSON Data

https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-34475

Upstream

CVE-2026-34475

Published

2026-03-27T20:16:36Z

Modified

2026-09-14T17:03:09Z

Severity

9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

[none]

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.

References

https://security-tracker.debian.org/tracker/CVE-2026-34475

Affected packages

Debian:12 / varnish

Package

Name: varnish
Purl: pkg:deb/debian/varnish?arch=source&distro=bookworm

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

7.*

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"

Debian:13 / varnish