UBUNTU-CVE-2026-26477

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Source
https://ubuntu.com/security/CVE-2026-26477
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26477.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-26477
Upstream
  • CVE-2026-26477
Published
2026-04-03T15:16:00Z
Modified
2026-04-27T18:56:07.244824Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An issue in Dokuwiki v.2025-05-14b "Librarian" [56.2] allows a remote attacker to cause a denial of service via the mediauploadxhr() function in the media.php file

References

Affected packages

Ubuntu:16.04:LTS
dokuwiki

Package

Name
dokuwiki
Purl
pkg:deb/ubuntu/dokuwiki@0.0.20140929.d-1ubuntu1?arch=source&distro=xenial

Affected ranges

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

Affected versions

0.*
0.0.20140929.d-1
0.0.20140929.d-1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "dokuwiki",
            "binary_version": "0.0.20140929.d-1ubuntu1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26477.json"
Ubuntu:18.04:LTS
dokuwiki

Package

Name
dokuwiki
Purl
pkg:deb/ubuntu/dokuwiki@0.0.20160626.a-2?arch=source&distro=bionic

Affected ranges

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

Affected versions

0.*
0.0.20160626.a-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "dokuwiki",
            "binary_version": "0.0.20160626.a-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26477.json"
Ubuntu:20.04:LTS
dokuwiki

Package

Name
dokuwiki
Purl
pkg:deb/ubuntu/dokuwiki@0.0.20180422.a-2?arch=source&distro=focal

Affected ranges

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

Affected versions

0.*
0.0.20180422.a-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "dokuwiki",
            "binary_version": "0.0.20180422.a-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26477.json"
Ubuntu:22.04:LTS
dokuwiki

Package

Name
dokuwiki
Purl
pkg:deb/ubuntu/dokuwiki@0.0.20180422.a-2.1?arch=source&distro=jammy

Affected ranges

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

Affected versions

0.*
0.0.20180422.a-2.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "dokuwiki",
            "binary_version": "0.0.20180422.a-2.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26477.json"
Ubuntu:24.04:LTS
dokuwiki

Package

Name
dokuwiki
Purl
pkg:deb/ubuntu/dokuwiki@0.0.20220731.a-2?arch=source&distro=noble

Affected ranges

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

Affected versions

0.*
0.0.20220731.a-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "dokuwiki",
            "binary_version": "0.0.20220731.a-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26477.json"
Ubuntu:25.10
dokuwiki

Package

Name
dokuwiki
Purl
pkg:deb/ubuntu/dokuwiki@2024-02-06b+dfsg-9?arch=source&distro=questing

Affected ranges

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

Affected versions

Other
2024-02-06b+dfsg-4
2024-02-06b+dfsg-9

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "dokuwiki",
            "binary_version": "2024-02-06b+dfsg-9"
        },
        {
            "binary_name": "dokuwiki-farm",
            "binary_version": "2024-02-06b+dfsg-9"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26477.json"
Ubuntu:26.04
dokuwiki

Package

Name
dokuwiki
Purl
pkg:deb/ubuntu/dokuwiki@2025-05-14.b+dfsg-5?arch=source&distro=resolute

Affected ranges

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

Affected versions

Other
2024-02-06b+dfsg-9
2025-05-14.*
2025-05-14.a+dfsg-4
2025-05-14.b+dfsg-1
2025-05-14.b+dfsg-2
2025-05-14.b+dfsg-3
2025-05-14.b+dfsg-4
2025-05-14.b+dfsg-5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "dokuwiki",
            "binary_version": "2025-05-14.b+dfsg-5"
        },
        {
            "binary_name": "dokuwiki-farm",
            "binary_version": "2025-05-14.b+dfsg-5"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26477.json"