UBUNTU-CVE-2026-97404

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Source
https://ubuntu.com/security/CVE-2026-97404
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-97404.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-97404
Upstream
Published
2026-09-24T15:18:00Z
Modified
2026-10-01T00:22:43Z
Severity
  • 9.2 (Critical) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

In OpenStack Zaqar before 22.0.2, WSGI transport mishandles the URL-Signature header. By sending a request with an empty URL-Signature header, an unauthenticated remote attacker who knows a target project's UUID may bypass both Keystone authentication and pre-signed URL verification, resulting in the ability to read, enumerate, create, and delete that project's queues, messages, claims, and subscriptions. By additionally claiming an administrative role, the attacker may also perform administrative operations, such as managing pools and flavors in admin_mode deployments. Only deployments using the WSGI transport with an authentication strategy configured are affected; the websocket transport is not affected.

References

Affected packages

Ubuntu:16.04:LTS
zaqar

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.0.0-2
1.0.0-6
2.*
2.0.0-1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "python-zaqar",
            "binary_version":  "2.0.0-1"
        },
        {
            "binary_name":  "zaqar-common",
            "binary_version":  "2.0.0-1"
        },
        {
            "binary_name":  "zaqar-server",
            "binary_version":  "2.0.0-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-97404.json"
Ubuntu:18.04:LTS
zaqar

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

5.*
5.0.0-0ubuntu1
6.*
6.0.0~b1-0ubuntu1
6.0.0~b2-0ubuntu2
6.0.0~b3-0ubuntu1
6.0.0~rc1-0ubuntu1
6.0.0-0ubuntu1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "python-zaqar",
            "binary_version":  "6.0.0-0ubuntu1"
        },
        {
            "binary_name":  "zaqar-common",
            "binary_version":  "6.0.0-0ubuntu1"
        },
        {
            "binary_name":  "zaqar-server",
            "binary_version":  "6.0.0-0ubuntu1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-97404.json"
Ubuntu:20.04:LTS
zaqar

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

9.*
9.0.0-0ubuntu1
10.*
10.0.0~b1~git2019121815.55c73e22-0ubuntu1
10.0.0~b2~git2020021011.22c457a5-0ubuntu1
10.0.0~b3~git2020032614.22c457a5-0ubuntu1
10.0.0~b3~git2020041014.22c457a5-0ubuntu1
10.0.0-0ubuntu0.20.04.1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "python3-zaqar",
            "binary_version":  "10.0.0-0ubuntu0.20.04.1"
        },
        {
            "binary_name":  "zaqar-common",
            "binary_version":  "10.0.0-0ubuntu0.20.04.1"
        },
        {
            "binary_name":  "zaqar-server",
            "binary_version":  "10.0.0-0ubuntu0.20.04.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-97404.json"
Ubuntu:22.04:LTS
zaqar

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

13.*
13.0.0-0ubuntu1
13.0.0+git2021120910.a7593240-0ubuntu1
13.0.0+git2022011310.1726ac41-0ubuntu1
14.*
14.0.0-0ubuntu1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "python3-zaqar",
            "binary_version":  "14.0.0-0ubuntu1"
        },
        {
            "binary_name":  "zaqar-common",
            "binary_version":  "14.0.0-0ubuntu1"
        },
        {
            "binary_name":  "zaqar-server",
            "binary_version":  "14.0.0-0ubuntu1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-97404.json"
Ubuntu:24.04:LTS
zaqar

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

17.*
17.0.0-0ubuntu1
17.0.0+git2024020808.2c859275-0ubuntu1
18.*
18.0.0~rc1-0ubuntu1
18.0.0-0ubuntu1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "python3-zaqar",
            "binary_version":  "18.0.0-0ubuntu1"
        },
        {
            "binary_name":  "zaqar-common",
            "binary_version":  "18.0.0-0ubuntu1"
        },
        {
            "binary_name":  "zaqar-server",
            "binary_version":  "18.0.0-0ubuntu1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-97404.json"
Ubuntu:26.04:LTS
zaqar

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

21.*
21.0.0-0ubuntu1
21.0.0+git20260121.32.59a7a63d-0ubuntu1
22.*
22.0.0~rc1-0ubuntu2
22.0.0-0ubuntu1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "python3-zaqar",
            "binary_version":  "22.0.0-0ubuntu1"
        },
        {
            "binary_name":  "zaqar-common",
            "binary_version":  "22.0.0-0ubuntu1"
        },
        {
            "binary_name":  "zaqar-server",
            "binary_version":  "22.0.0-0ubuntu1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-97404.json"