UBUNTU-CVE-2026-8404

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Source

https://ubuntu.com/security/CVE-2026-8404

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-8404.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-8404

Upstream

CVE-2026-8404

Published

2026-06-03T13:00:00Z

Modified

2026-06-08T09:45:30.907583450Z

Severity

3.1 (Low) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N CVSS Calculator
5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
2.3 (Low) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N CVSS Calculator
Ubuntu - low

Summary

[none]

Details

Potential exposure of private data via case-sensitive Cache-Control directives in UpdateCacheMiddleware

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

{
    "priority_reason": "The Django developers have rated this issue as being low severity",
    "binaries": [
        {
            "binary_name": "python3-django",
            "binary_version": "2:3.2.12-2ubuntu1.27"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-8404.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

{
    "priority_reason": "The Django developers have rated this issue as being low severity",
    "binaries": [
        {
            "binary_name": "python3-django",
            "binary_version": "3:4.2.11-1ubuntu1.16"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-8404.json"

Ubuntu:25.10

python-django

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

3:4.*

3:4.2.18-1ubuntu1

3:4.2.18-1ubuntu1.1

3:5.*

3:5.2.4-1

3:5.2.4-1ubuntu1

3:5.2.4-1ubuntu2

3:5.2.4-1ubuntu2.1

3:5.2.4-1ubuntu2.2

3:5.2.4-1ubuntu2.3

3:5.2.4-1ubuntu2.4

3:5.2.4-1ubuntu2.5

Ecosystem specific

{
    "priority_reason": "The Django developers have rated this issue as being low severity",
    "binaries": [
        {
            "binary_name": "python3-django",
            "binary_version": "3:5.2.4-1ubuntu2.5"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-8404.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

{
    "priority_reason": "The Django developers have rated this issue as being low severity",
    "binaries": [
        {
            "binary_name": "python3-django",
            "binary_version": "3:5.2.9-0ubuntu4.1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-8404.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

{
    "priority_reason": "The Django developers have rated this issue as being low severity",
    "binaries": [
        {
            "binary_name": "python-django",
            "binary_version": "1.6.11-0ubuntu1.3+esm11"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-8404.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

{
    "priority_reason": "The Django developers have rated this issue as being low severity",
    "binaries": [
        {
            "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",
            "binary_version": "1.8.7-1ubuntu5.15+esm12"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-8404.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

{
    "priority_reason": "The Django developers have rated this issue as being low severity",
    "binaries": [
        {
            "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",
            "binary_version": "1:1.11.11-1ubuntu1.21+esm15"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-8404.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

{
    "priority_reason": "The Django developers have rated this issue as being low severity",
    "binaries": [
        {
            "binary_name": "python3-django",
            "binary_version": "2:2.2.12-1ubuntu0.29+esm8"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-8404.json"