UBUNTU-CVE-2026-15920

Source
https://ubuntu.com/security/CVE-2026-15920
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-15920.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-15920
Upstream
Published
2026-08-04T17:16:00Z
Modified
2026-08-06T03:08:40.342381802Z
Severity
  • 6.1 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
  • 5.1 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An issue was discovered in Django 5.2 before 5.2.17 and 6.0 before 6.0.8. django.contrib.admin.utils.display_for_field() renders URLField values as clickable links in the admin without validating the URL. A value stored with an unsafe scheme is displayed as a link on changelist and read-only admin pages, which allows cross-site scripting against staff users who click the link. Exploitation requires the unsafe value to already be stored in the database. URLField validation through a ModelForm or the admin rejects unsafe schemes, so this affects applications that persist URLField data without running model validation, for example through direct queryset writes, deserialization, or bulk import of untrusted input. Django would like to thank Egor Saltykov for reporting this issue.

References

Affected packages

Ubuntu:22.04:LTS
python-django

Package

Name
python-django
Purl
pkg:deb/ubuntu/python-django?arch=source&distro=jammy

Affected ranges

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

Affected versions

2:2.*
2:2.2.24-1ubuntu1
2:3.*
2:3.2.12-2
2:3.2.12-2ubuntu1
2:3.2.12-2ubuntu1.1
2:3.2.12-2ubuntu1.2
2:3.2.12-2ubuntu1.3
2:3.2.12-2ubuntu1.4
2:3.2.12-2ubuntu1.5
2:3.2.12-2ubuntu1.6
2:3.2.12-2ubuntu1.7
2:3.2.12-2ubuntu1.8
2:3.2.12-2ubuntu1.9
2:3.2.12-2ubuntu1.10
2:3.2.12-2ubuntu1.11
2:3.2.12-2ubuntu1.12
2:3.2.12-2ubuntu1.13
2:3.2.12-2ubuntu1.14
2:3.2.12-2ubuntu1.15
2:3.2.12-2ubuntu1.16
2:3.2.12-2ubuntu1.17
2:3.2.12-2ubuntu1.18
2:3.2.12-2ubuntu1.19
2:3.2.12-2ubuntu1.20
2:3.2.12-2ubuntu1.21
2:3.2.12-2ubuntu1.22
2:3.2.12-2ubuntu1.23
2:3.2.12-2ubuntu1.24
2:3.2.12-2ubuntu1.25
2:3.2.12-2ubuntu1.26
2:3.2.12-2ubuntu1.27

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "2:3.2.12-2ubuntu1.27",
            "binary_name": "python3-django"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-15920.json"
Ubuntu:24.04:LTS
python-django

Package

Name
python-django
Purl
pkg:deb/ubuntu/python-django?arch=source&distro=noble

Affected ranges

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

Affected versions

3:4.*
3:4.2.4-1ubuntu2
3:4.2.8-1
3:4.2.9-1
3:4.2.11-1
3:4.2.11-1ubuntu1
3:4.2.11-1ubuntu1.1
3:4.2.11-1ubuntu1.2
3:4.2.11-1ubuntu1.3
3:4.2.11-1ubuntu1.4
3:4.2.11-1ubuntu1.5
3:4.2.11-1ubuntu1.6
3:4.2.11-1ubuntu1.7
3:4.2.11-1ubuntu1.8
3:4.2.11-1ubuntu1.9
3:4.2.11-1ubuntu1.10
3:4.2.11-1ubuntu1.11
3:4.2.11-1ubuntu1.12
3:4.2.11-1ubuntu1.13
3:4.2.11-1ubuntu1.14
3:4.2.11-1ubuntu1.15
3:4.2.11-1ubuntu1.16

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "3:4.2.11-1ubuntu1.16",
            "binary_name": "python3-django"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-15920.json"
Ubuntu:26.04:LTS
python-django

Package

Name
python-django
Purl
pkg:deb/ubuntu/python-django?arch=source&distro=resolute

Affected ranges

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

Affected versions

3:5.*
3:5.2.4-1ubuntu2
3:5.2.4-1ubuntu3
3:5.2.9-0ubuntu1
3:5.2.9-0ubuntu2
3:5.2.9-0ubuntu3
3:5.2.9-0ubuntu4
3:5.2.9-0ubuntu4.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "3:5.2.9-0ubuntu4.1",
            "binary_name": "python3-django"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-15920.json"
Ubuntu:Pro:14.04:LTS
python-django

Package

Name
python-django
Purl
pkg:deb/ubuntu/python-django?arch=source&distro=esm-infra-legacy%2Ftrusty

Affected ranges

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

Affected versions

1.*
1.5.4-1ubuntu1
1.6-1
1.6.1-1
1.6.1-2
1.6.1-2ubuntu0.1
1.6.1-2ubuntu0.2
1.6.1-2ubuntu0.3
1.6.1-2ubuntu0.4
1.6.1-2ubuntu0.5
1.6.1-2ubuntu0.6
1.6.1-2ubuntu0.8
1.6.1-2ubuntu0.9
1.6.1-2ubuntu0.10
1.6.1-2ubuntu0.11
1.6.1-2ubuntu0.12
1.6.1-2ubuntu0.13
1.6.1-2ubuntu0.14
1.6.1-2ubuntu0.15
1.6.1-2ubuntu0.16
1.6.11-0ubuntu1
1.6.11-0ubuntu1.1
1.6.11-0ubuntu1.2
1.6.11-0ubuntu1.3
1.6.11-0ubuntu1.3+esm1
1.6.11-0ubuntu1.3+esm2
1.6.11-0ubuntu1.3+esm3
1.6.11-0ubuntu1.3+esm4
1.6.11-0ubuntu1.3+esm5
1.6.11-0ubuntu1.3+esm6
1.6.11-0ubuntu1.3+esm7
1.6.11-0ubuntu1.3+esm8
1.6.11-0ubuntu1.3+esm9
1.6.11-0ubuntu1.3+esm10
1.6.11-0ubuntu1.3+esm11

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.6.11-0ubuntu1.3+esm11",
            "binary_name": "python-django"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-15920.json"
Ubuntu:Pro:16.04:LTS
python-django

Package

Name
python-django
Purl
pkg:deb/ubuntu/python-django?arch=source&distro=esm-infra%2Fxenial

Affected ranges

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

Affected versions

1.*
1.7.9-1ubuntu5
1.8.5-2ubuntu1
1.8.7-1ubuntu1
1.8.7-1ubuntu2
1.8.7-1ubuntu3
1.8.7-1ubuntu4
1.8.7-1ubuntu5
1.8.7-1ubuntu5.1
1.8.7-1ubuntu5.2
1.8.7-1ubuntu5.4
1.8.7-1ubuntu5.5
1.8.7-1ubuntu5.6
1.8.7-1ubuntu5.7
1.8.7-1ubuntu5.8
1.8.7-1ubuntu5.9
1.8.7-1ubuntu5.10
1.8.7-1ubuntu5.11
1.8.7-1ubuntu5.12
1.8.7-1ubuntu5.13
1.8.7-1ubuntu5.14
1.8.7-1ubuntu5.15
1.8.7-1ubuntu5.15+esm1
1.8.7-1ubuntu5.15+esm3
1.8.7-1ubuntu5.15+esm4
1.8.7-1ubuntu5.15+esm5
1.8.7-1ubuntu5.15+esm6
1.8.7-1ubuntu5.15+esm7
1.8.7-1ubuntu5.15+esm8
1.8.7-1ubuntu5.15+esm9
1.8.7-1ubuntu5.15+esm10
1.8.7-1ubuntu5.15+esm11
1.8.7-1ubuntu5.15+esm12

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.8.7-1ubuntu5.15+esm12",
            "binary_name": "python-django"
        },
        {
            "binary_version": "1.8.7-1ubuntu5.15+esm12",
            "binary_name": "python-django-common"
        },
        {
            "binary_version": "1.8.7-1ubuntu5.15+esm12",
            "binary_name": "python3-django"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-15920.json"
Ubuntu:Pro:18.04:LTS
python-django

Package

Name
python-django
Purl
pkg:deb/ubuntu/python-django?arch=source&distro=esm-infra%2Fbionic

Affected ranges

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

Affected versions

1:1.*
1:1.11.4-1ubuntu1
1:1.11.6-1ubuntu1
1:1.11.9-1ubuntu1
1:1.11.11-1ubuntu1
1:1.11.11-1ubuntu1.1
1:1.11.11-1ubuntu1.2
1:1.11.11-1ubuntu1.3
1:1.11.11-1ubuntu1.4
1:1.11.11-1ubuntu1.5
1:1.11.11-1ubuntu1.6
1:1.11.11-1ubuntu1.7
1:1.11.11-1ubuntu1.8
1:1.11.11-1ubuntu1.9
1:1.11.11-1ubuntu1.10
1:1.11.11-1ubuntu1.11
1:1.11.11-1ubuntu1.12
1:1.11.11-1ubuntu1.13
1:1.11.11-1ubuntu1.14
1:1.11.11-1ubuntu1.15
1:1.11.11-1ubuntu1.16
1:1.11.11-1ubuntu1.17
1:1.11.11-1ubuntu1.18
1:1.11.11-1ubuntu1.19
1:1.11.11-1ubuntu1.20
1:1.11.11-1ubuntu1.21
1:1.11.11-1ubuntu1.21+esm1
1:1.11.11-1ubuntu1.21+esm2
1:1.11.11-1ubuntu1.21+esm3
1:1.11.11-1ubuntu1.21+esm4
1:1.11.11-1ubuntu1.21+esm5
1:1.11.11-1ubuntu1.21+esm6
1:1.11.11-1ubuntu1.21+esm7
1:1.11.11-1ubuntu1.21+esm8
1:1.11.11-1ubuntu1.21+esm9
1:1.11.11-1ubuntu1.21+esm10
1:1.11.11-1ubuntu1.21+esm11
1:1.11.11-1ubuntu1.21+esm12
1:1.11.11-1ubuntu1.21+esm13
1:1.11.11-1ubuntu1.21+esm14
1:1.11.11-1ubuntu1.21+esm15

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1:1.11.11-1ubuntu1.21+esm15",
            "binary_name": "python-django"
        },
        {
            "binary_version": "1:1.11.11-1ubuntu1.21+esm15",
            "binary_name": "python-django-common"
        },
        {
            "binary_version": "1:1.11.11-1ubuntu1.21+esm15",
            "binary_name": "python3-django"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-15920.json"
Ubuntu:Pro:20.04:LTS
python-django

Package

Name
python-django
Purl
pkg:deb/ubuntu/python-django?arch=source&distro=esm-infra%2Ffocal

Affected ranges

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

Affected versions

1:1.*
1:1.11.22-1ubuntu1
2:2.*
2:2.2.6-1ubuntu1
2:2.2.9-2ubuntu1
2:2.2.10-1
2:2.2.10-1ubuntu1
2:2.2.11-1
2:2.2.12-1
2:2.2.12-1ubuntu0.1
2:2.2.12-1ubuntu0.2
2:2.2.12-1ubuntu0.3
2:2.2.12-1ubuntu0.4
2:2.2.12-1ubuntu0.5
2:2.2.12-1ubuntu0.6
2:2.2.12-1ubuntu0.7
2:2.2.12-1ubuntu0.8
2:2.2.12-1ubuntu0.9
2:2.2.12-1ubuntu0.10
2:2.2.12-1ubuntu0.11
2:2.2.12-1ubuntu0.12
2:2.2.12-1ubuntu0.13
2:2.2.12-1ubuntu0.14
2:2.2.12-1ubuntu0.15
2:2.2.12-1ubuntu0.16
2:2.2.12-1ubuntu0.17
2:2.2.12-1ubuntu0.18
2:2.2.12-1ubuntu0.19
2:2.2.12-1ubuntu0.20
2:2.2.12-1ubuntu0.21
2:2.2.12-1ubuntu0.22
2:2.2.12-1ubuntu0.23
2:2.2.12-1ubuntu0.24
2:2.2.12-1ubuntu0.25
2:2.2.12-1ubuntu0.26
2:2.2.12-1ubuntu0.27
2:2.2.12-1ubuntu0.28
2:2.2.12-1ubuntu0.29
2:2.2.12-1ubuntu0.29+esm1
2:2.2.12-1ubuntu0.29+esm2
2:2.2.12-1ubuntu0.29+esm3
2:2.2.12-1ubuntu0.29+esm4
2:2.2.12-1ubuntu0.29+esm5
2:2.2.12-1ubuntu0.29+esm6
2:2.2.12-1ubuntu0.29+esm7
2:2.2.12-1ubuntu0.29+esm8

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "2:2.2.12-1ubuntu0.29+esm8",
            "binary_name": "python3-django"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-15920.json"