UBUNTU-CVE-2026-50591

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Source
https://ubuntu.com/security/CVE-2026-50591
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-50591.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-50591
Upstream
  • CVE-2026-50591
Published
2026-06-05T02:17:00Z
Modified
2026-06-12T09:04:21.555510192Z
Severity
  • 5.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

In Znuny LTS before 6.5.21 and Znuny before 7.3.3, XSS can occur via stored user preferences.

References

Affected packages

Ubuntu:16.04:LTS
otrs2

Package

Name
otrs2
Purl
pkg:deb/ubuntu/otrs2?arch=source&distro=xenial

Affected ranges

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

Affected versions

4.*
4.0.10-1
5.*
5.0.1-1
5.0.1-2
5.0.2-1
5.0.3-1
5.0.5-1
5.0.6-1
5.0.7-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "otrs",
            "binary_version": "5.0.7-1"
        },
        {
            "binary_name": "otrs2",
            "binary_version": "5.0.7-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-50591.json"
Ubuntu:18.04:LTS
otrs2

Package

Name
otrs2
Purl
pkg:deb/ubuntu/otrs2?arch=source&distro=bionic

Affected ranges

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

Affected versions

5.*
5.0.23-1
5.0.24-1
6.*
6.0.1-1
6.0.2-1
6.0.3-1
6.0.4-1
6.0.5-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "otrs",
            "binary_version": "6.0.5-1"
        },
        {
            "binary_name": "otrs2",
            "binary_version": "6.0.5-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-50591.json"
Ubuntu:20.04:LTS
otrs2

Package

Name
otrs2
Purl
pkg:deb/ubuntu/otrs2?arch=source&distro=focal

Affected ranges

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

Affected versions

6.*
6.0.20-1
6.0.23-2
6.0.24-1
6.0.25-1
6.0.25-2
6.0.25-3
6.0.26-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "otrs",
            "binary_version": "6.0.26-1"
        },
        {
            "binary_name": "otrs2",
            "binary_version": "6.0.26-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-50591.json"
Ubuntu:22.04:LTS
otrs2

Package

Name
otrs2
Purl
pkg:deb/ubuntu/otrs2?arch=source&distro=jammy

Affected ranges

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

Affected versions

6.*
6.0.32-6
6.1.2-1
6.2.1-1
6.2.2-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "otrs2",
            "binary_version": "6.2.2-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-50591.json"
Ubuntu:24.04:LTS
znuny

Package

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

Affected ranges

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

Affected versions

6.*
6.5.3-1
6.5.4-1
6.5.5-1
6.5.6-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "otrs2",
            "binary_version": "6.5.6-1"
        },
        {
            "binary_name": "znuny",
            "binary_version": "6.5.6-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-50591.json"
Ubuntu:25.10
znuny

Package

Name
znuny
Purl
pkg:deb/ubuntu/znuny?arch=source&distro=questing

Affected ranges

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

Affected versions

6.*
6.5.14-1
6.5.15-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "otrs2",
            "binary_version": "6.5.15-2"
        },
        {
            "binary_name": "znuny",
            "binary_version": "6.5.15-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-50591.json"
Ubuntu:26.04:LTS
znuny

Package

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

Affected ranges

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

Affected versions

6.*
6.5.15-2
6.5.18-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "otrs2",
            "binary_version": "6.5.18-1"
        },
        {
            "binary_name": "znuny",
            "binary_version": "6.5.18-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-50591.json"