UBUNTU-CVE-2026-71193

See a problem?
Please try reporting it to the source first.

Source

https://ubuntu.com/security/CVE-2026-71193

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-71193.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-71193

Upstream

CVE-2026-71193

Published

2026-08-13T00:00:00Z

Modified

2026-08-13T19:31:00.440570353Z

Severity

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

Summary

[none]

Details

In OpenStack Designate before 22.0.1, zone creation checks (issubzone, issuperzone, and the duplicate-zone DB constraint) are scoped to the target pool only. An authenticated user can bypass these checks by scheduling a zone to a different pool via the AttributeFilter scheduler, creating an overlapping zone that conflicts with another tenant's zone. This enables cross-tenant DNS hijack (redirecting traffic to attacker-controlled IPs) and DNS denial of service (NODATA responses). Exploitation requires a multi-pool deployment with AttributeFilter enabled in scheduler_filters, which is a non-default but documented and supported configuration for self-service tiering.

References

Affected packages

Ubuntu:16.04:LTS

designate

Package

Name: designate
Purl: pkg:deb/ubuntu/designate?arch=source&distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1:1.*

1:1.0.0-0ubuntu1

1:2.*

1:2.0.0~b1-0ubuntu1

1:2.0.0~b2-0ubuntu1

1:2.0.0~b2-0ubuntu2

1:2.0.0~b3-0ubuntu1

1:2.0.0~b3-0ubuntu2

1:2.0.0~rc1-0ubuntu1

1:2.0.0-0ubuntu1

1:2.1.0-0ubuntu1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1:2.1.0-0ubuntu1",
            "binary_name": "designate"
        },
        {
            "binary_version": "1:2.1.0-0ubuntu1",
            "binary_name": "designate-agent"
        },
        {
            "binary_version": "1:2.1.0-0ubuntu1",
            "binary_name": "designate-api"
        },
        {
            "binary_version": "1:2.1.0-0ubuntu1",
            "binary_name": "designate-central"
        },
        {
            "binary_version": "1:2.1.0-0ubuntu1",
            "binary_name": "designate-common"
        },
        {
            "binary_version": "1:2.1.0-0ubuntu1",
            "binary_name": "designate-mdns"
        },
        {
            "binary_version": "1:2.1.0-0ubuntu1",
            "binary_name": "designate-pool-manager"
        },
        {
            "binary_version": "1:2.1.0-0ubuntu1",
            "binary_name": "designate-sink"
        },
        {
            "binary_version": "1:2.1.0-0ubuntu1",
            "binary_name": "designate-zone-manager"
        },
        {
            "binary_version": "1:2.1.0-0ubuntu1",
            "binary_name": "python-designate"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-71193.json"

Ubuntu:18.04:LTS

designate

Package

Name: designate
Purl: pkg:deb/ubuntu/designate?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1:5.*

1:5.0.0-0ubuntu1

1:6.*

1:6.0.0~b1-0ubuntu1

1:6.0.0~b1-0ubuntu2

1:6.0.0~b2-0ubuntu1

1:6.0.0~b3-0ubuntu1

1:6.0.0~rc1-0ubuntu1

1:6.0.0-0ubuntu1

1:6.0.1-0ubuntu1

1:6.0.1-0ubuntu1.2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1:6.0.1-0ubuntu1.2",
            "binary_name": "designate"
        },
        {
            "binary_version": "1:6.0.1-0ubuntu1.2",
            "binary_name": "designate-agent"
        },
        {
            "binary_version": "1:6.0.1-0ubuntu1.2",
            "binary_name": "designate-api"
        },
        {
            "binary_version": "1:6.0.1-0ubuntu1.2",
            "binary_name": "designate-central"
        },
        {
            "binary_version": "1:6.0.1-0ubuntu1.2",
            "binary_name": "designate-common"
        },
        {
            "binary_version": "1:6.0.1-0ubuntu1.2",
            "binary_name": "designate-mdns"
        },
        {
            "binary_version": "1:6.0.1-0ubuntu1.2",
            "binary_name": "designate-pool-manager"
        },
        {
            "binary_version": "1:6.0.1-0ubuntu1.2",
            "binary_name": "designate-producer"
        },
        {
            "binary_version": "1:6.0.1-0ubuntu1.2",
            "binary_name": "designate-sink"
        },
        {
            "binary_version": "1:6.0.1-0ubuntu1.2",
            "binary_name": "designate-worker"
        },
        {
            "binary_version": "1:6.0.1-0ubuntu1.2",
            "binary_name": "designate-zone-manager"
        },
        {
            "binary_version": "1:6.0.1-0ubuntu1.2",
            "binary_name": "python-designate"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-71193.json"

Ubuntu:20.04:LTS

designate

Package

Name: designate
Purl: pkg:deb/ubuntu/designate?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1:9.*

1:9.0.0-0ubuntu1

1:10.*

1:10.0.0~b1~git2019121610.cdac0fc2-0ubuntu1

1:10.0.0~b1~git2019121610.cdac0fc2-0ubuntu2

1:10.0.0~b2~git2020021416.8b5ec128-0ubuntu2

1:10.0.0~b3~git2020032414.dd359ba3-0ubuntu1

1:10.0.0~b3~git2020041012.9ed2623a-0ubuntu1

1:10.0.0-0ubuntu0.20.04.1

1:10.0.1-0ubuntu1

1:10.0.2-0ubuntu1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1:10.0.2-0ubuntu1",
            "binary_name": "designate"
        },
        {
            "binary_version": "1:10.0.2-0ubuntu1",
            "binary_name": "designate-agent"
        },
        {
            "binary_version": "1:10.0.2-0ubuntu1",
            "binary_name": "designate-api"
        },
        {
            "binary_version": "1:10.0.2-0ubuntu1",
            "binary_name": "designate-central"
        },
        {
            "binary_version": "1:10.0.2-0ubuntu1",
            "binary_name": "designate-common"
        },
        {
            "binary_version": "1:10.0.2-0ubuntu1",
            "binary_name": "designate-mdns"
        },
        {
            "binary_version": "1:10.0.2-0ubuntu1",
            "binary_name": "designate-pool-manager"
        },
        {
            "binary_version": "1:10.0.2-0ubuntu1",
            "binary_name": "designate-producer"
        },
        {
            "binary_version": "1:10.0.2-0ubuntu1",
            "binary_name": "designate-sink"
        },
        {
            "binary_version": "1:10.0.2-0ubuntu1",
            "binary_name": "designate-worker"
        },
        {
            "binary_version": "1:10.0.2-0ubuntu1",
            "binary_name": "designate-zone-manager"
        },
        {
            "binary_version": "1:10.0.2-0ubuntu1",
            "binary_name": "python3-designate"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-71193.json"

Ubuntu:22.04:LTS

designate

Package

Name: designate
Purl: pkg:deb/ubuntu/designate?arch=source&distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1:13.*

1:13.0.0-0ubuntu1

1:13.0.0+git2021120810.aa798fc0-0ubuntu1

1:13.0.0+git2022011215.bff3d5f6-0ubuntu1

1:13.0.0+git2022030310.8ce022a7-0ubuntu1

1:14.*

1:14.0.0-0ubuntu1

1:14.0.1-0ubuntu1

1:14.0.2-0ubuntu1

1:14.0.3-0ubuntu1

1:14.0.4-0ubuntu1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1:14.0.4-0ubuntu1",
            "binary_name": "designate"
        },
        {
            "binary_version": "1:14.0.4-0ubuntu1",
            "binary_name": "designate-agent"
        },
        {
            "binary_version": "1:14.0.4-0ubuntu1",
            "binary_name": "designate-api"
        },
        {
            "binary_version": "1:14.0.4-0ubuntu1",
            "binary_name": "designate-central"
        },
        {
            "binary_version": "1:14.0.4-0ubuntu1",
            "binary_name": "designate-common"
        },
        {
            "binary_version": "1:14.0.4-0ubuntu1",
            "binary_name": "designate-mdns"
        },
        {
            "binary_version": "1:14.0.4-0ubuntu1",
            "binary_name": "designate-pool-manager"
        },
        {
            "binary_version": "1:14.0.4-0ubuntu1",
            "binary_name": "designate-producer"
        },
        {
            "binary_version": "1:14.0.4-0ubuntu1",
            "binary_name": "designate-sink"
        },
        {
            "binary_version": "1:14.0.4-0ubuntu1",
            "binary_name": "designate-worker"
        },
        {
            "binary_version": "1:14.0.4-0ubuntu1",
            "binary_name": "designate-zone-manager"
        },
        {
            "binary_version": "1:14.0.4-0ubuntu1",
            "binary_name": "python3-designate"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-71193.json"

Ubuntu:24.04:LTS

designate

Package

Name: designate
Purl: pkg:deb/ubuntu/designate?arch=source&distro=noble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1:17.*

1:17.0.0-0ubuntu2

1:17.0.1+git2023121308.d90691f3-0ubuntu1

1:17.0.1+git2024011916.002005a4-0ubuntu2

1:18.*

1:18.0.0~rc1-0ubuntu1

1:18.0.0-0ubuntu1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1:18.0.0-0ubuntu1",
            "binary_name": "designate"
        },
        {
            "binary_version": "1:18.0.0-0ubuntu1",
            "binary_name": "designate-agent"
        },
        {
            "binary_version": "1:18.0.0-0ubuntu1",
            "binary_name": "designate-api"
        },
        {
            "binary_version": "1:18.0.0-0ubuntu1",
            "binary_name": "designate-central"
        },
        {
            "binary_version": "1:18.0.0-0ubuntu1",
            "binary_name": "designate-common"
        },
        {
            "binary_version": "1:18.0.0-0ubuntu1",
            "binary_name": "designate-mdns"
        },
        {
            "binary_version": "1:18.0.0-0ubuntu1",
            "binary_name": "designate-pool-manager"
        },
        {
            "binary_version": "1:18.0.0-0ubuntu1",
            "binary_name": "designate-producer"
        },
        {
            "binary_version": "1:18.0.0-0ubuntu1",
            "binary_name": "designate-sink"
        },
        {
            "binary_version": "1:18.0.0-0ubuntu1",
            "binary_name": "designate-worker"
        },
        {
            "binary_version": "1:18.0.0-0ubuntu1",
            "binary_name": "designate-zone-manager"
        },
        {
            "binary_version": "1:18.0.0-0ubuntu1",
            "binary_name": "python3-designate"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-71193.json"

Ubuntu:26.04:LTS

designate

Package

Name: designate
Purl: pkg:deb/ubuntu/designate?arch=source&distro=resolute

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1:21.*

1:21.0.0-0ubuntu1

1:21.0.0-0ubuntu2

1:21.0.0+git20260121.19.145042f4-0ubuntu1

1:22.*

1:22.0.0~rc1-0ubuntu1

1:22.0.0-0ubuntu1

1:22.0.0-0ubuntu2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1:22.0.0-0ubuntu2",
            "binary_name": "designate"
        },
        {
            "binary_version": "1:22.0.0-0ubuntu2",
            "binary_name": "designate-agent"
        },
        {
            "binary_version": "1:22.0.0-0ubuntu2",
            "binary_name": "designate-api"
        },
        {
            "binary_version": "1:22.0.0-0ubuntu2",
            "binary_name": "designate-central"
        },
        {
            "binary_version": "1:22.0.0-0ubuntu2",
            "binary_name": "designate-common"
        },
        {
            "binary_version": "1:22.0.0-0ubuntu2",
            "binary_name": "designate-mdns"
        },
        {
            "binary_version": "1:22.0.0-0ubuntu2",
            "binary_name": "designate-pool-manager"
        },
        {
            "binary_version": "1:22.0.0-0ubuntu2",
            "binary_name": "designate-producer"
        },
        {
            "binary_version": "1:22.0.0-0ubuntu2",
            "binary_name": "designate-sink"
        },
        {
            "binary_version": "1:22.0.0-0ubuntu2",
            "binary_name": "designate-worker"
        },
        {
            "binary_version": "1:22.0.0-0ubuntu2",
            "binary_name": "designate-zone-manager"
        },
        {
            "binary_version": "1:22.0.0-0ubuntu2",
            "binary_name": "python3-designate"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-71193.json"