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DEBIAN-CVE-2026-34475

Type: advisorySource: OSV1 source record

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.

Announced Source revision 1
Original source ↗

DEBIAN-CVE-2026-34475

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:DEBIAN-CVE-2026-34475

varnish

Source reference: /affected/0/package/name

Affected versions
7.1.1-1.1

Source reference: /affected/0/versions

7.1.1-1.1+deb12u1

Source reference: /affected/0/versions

7.1.1-1.2

Source reference: /affected/0/versions

7.1.1-2+deb12u1

Source reference: /affected/0/versions

7.5.0-1

Source reference: /affected/0/versions

7.5.0-2

Source reference: /affected/0/versions

7.5.0-3

Source reference: /affected/0/versions

7.6.0-1

Source reference: /affected/0/versions

7.6.0-2

Source reference: /affected/0/versions

7.6.1-1

Source reference: /affected/0/versions

7.6.1-2

Source reference: /affected/0/versions

7.7.0-1

Source reference: /affected/0/versions

7.7.0-2

Source reference: /affected/0/versions

7.7.0-3

Source reference: /affected/0/versions

7.7.1-1

Source reference: /affected/0/versions

7.7.2-1

Source reference: /affected/0/versions

7.7.2-2

Source reference: /affected/0/versions

7.7.3-1

Source reference: /affected/0/versions

7.7.3-2

Source reference: /affected/0/versions

7.7.3-3

Source reference: /affected/0/versions

Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

varnish

Source reference: /affected/1/package/name

Affected versions
7.7.0-3

Source reference: /affected/1/versions

7.7.0-3+deb13u1

Source reference: /affected/1/versions

Fixed versions
7.7.0-3+deb13u2

Source reference: /affected/1/ranges

Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "varnish",
      "purl": "pkg:deb/debian/varnish?arch=source&distro=bookworm",
      "ecosystem": "Debian:12"
    },
    "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"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-34475.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "7.7.0-3+deb13u2"
          }
        ]
      }
    ],
    "package": {
      "name": "varnish",
      "purl": "pkg:deb/debian/varnish?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "versions": [
      "7.7.0-3",
      "7.7.0-3+deb13u1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-34475.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event
#57596 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement