UBUNTU-CVE-2026-23926

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Source
https://ubuntu.com/security/CVE-2026-23926
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-23926.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-23926
Upstream
  • CVE-2026-23926
Published
2026-05-06T08:16:00Z
Modified
2026-05-27T19:15:08.949277210Z
Severity
  • 7.3 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An authenticated (non-super) administrator can create a maintenance period with a JavaScript payload that is executed by any user that opens tooltip for that maintenance period in the Host navigator widget. This can allow the attacker to perform unauthorized actions depending on which user opens the tooltip.

References

Affected packages

Ubuntu:25.10
zabbix

Package

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

Affected ranges

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

Affected versions

1:7.*
1:7.0.10+dfsg-2
1:7.0.10+dfsg-2build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "zabbix-agent",
            "binary_version": "1:7.0.10+dfsg-2build1"
        },
        {
            "binary_name": "zabbix-agent2",
            "binary_version": "1:7.0.10+dfsg-2build1"
        },
        {
            "binary_name": "zabbix-frontend-php",
            "binary_version": "1:7.0.10+dfsg-2build1"
        },
        {
            "binary_name": "zabbix-java-gateway",
            "binary_version": "1:7.0.10+dfsg-2build1"
        },
        {
            "binary_name": "zabbix-proxy-mysql",
            "binary_version": "1:7.0.10+dfsg-2build1"
        },
        {
            "binary_name": "zabbix-proxy-pgsql",
            "binary_version": "1:7.0.10+dfsg-2build1"
        },
        {
            "binary_name": "zabbix-proxy-sqlite3",
            "binary_version": "1:7.0.10+dfsg-2build1"
        },
        {
            "binary_name": "zabbix-sender",
            "binary_version": "1:7.0.10+dfsg-2build1"
        },
        {
            "binary_name": "zabbix-server-mysql",
            "binary_version": "1:7.0.10+dfsg-2build1"
        },
        {
            "binary_name": "zabbix-server-pgsql",
            "binary_version": "1:7.0.10+dfsg-2build1"
        },
        {
            "binary_name": "zabbix-web-service",
            "binary_version": "1:7.0.10+dfsg-2build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-23926.json"
Ubuntu:26.04:LTS
zabbix

Package

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

Affected ranges

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

Affected versions

1:7.*
1:7.0.10+dfsg-2build1
1:7.0.22+dfsg-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "zabbix-agent",
            "binary_version": "1:7.0.22+dfsg-1"
        },
        {
            "binary_name": "zabbix-agent2",
            "binary_version": "1:7.0.22+dfsg-1"
        },
        {
            "binary_name": "zabbix-frontend-php",
            "binary_version": "1:7.0.22+dfsg-1"
        },
        {
            "binary_name": "zabbix-java-gateway",
            "binary_version": "1:7.0.22+dfsg-1"
        },
        {
            "binary_name": "zabbix-proxy-mysql",
            "binary_version": "1:7.0.22+dfsg-1"
        },
        {
            "binary_name": "zabbix-proxy-pgsql",
            "binary_version": "1:7.0.22+dfsg-1"
        },
        {
            "binary_name": "zabbix-proxy-sqlite3",
            "binary_version": "1:7.0.22+dfsg-1"
        },
        {
            "binary_name": "zabbix-sender",
            "binary_version": "1:7.0.22+dfsg-1"
        },
        {
            "binary_name": "zabbix-server-mysql",
            "binary_version": "1:7.0.22+dfsg-1"
        },
        {
            "binary_name": "zabbix-server-pgsql",
            "binary_version": "1:7.0.22+dfsg-1"
        },
        {
            "binary_name": "zabbix-web-service",
            "binary_version": "1:7.0.22+dfsg-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-23926.json"
Ubuntu:Pro:14.04:LTS
zabbix

Package

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

Affected ranges

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

Affected versions

1:2.*
1:2.0.6+dfsg-1ubuntu2
1:2.2.0+dfsg-1ubuntu1
1:2.2.0+dfsg-6ubuntu1
1:2.2.1+dfsg-1ubuntu3
1:2.2.2+dfsg-1ubuntu1
1:2.2.2+dfsg-1ubuntu1+esm1
1:2.2.2+dfsg-1ubuntu1+esm3
1:2.2.2+dfsg-1ubuntu1+esm4
1:2.2.2+dfsg-1ubuntu1+esm5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "zabbix-agent",
            "binary_version": "1:2.2.2+dfsg-1ubuntu1+esm5"
        },
        {
            "binary_name": "zabbix-frontend-php",
            "binary_version": "1:2.2.2+dfsg-1ubuntu1+esm5"
        },
        {
            "binary_name": "zabbix-java-gateway",
            "binary_version": "1:2.2.2+dfsg-1ubuntu1+esm5"
        },
        {
            "binary_name": "zabbix-proxy-mysql",
            "binary_version": "1:2.2.2+dfsg-1ubuntu1+esm5"
        },
        {
            "binary_name": "zabbix-proxy-pgsql",
            "binary_version": "1:2.2.2+dfsg-1ubuntu1+esm5"
        },
        {
            "binary_name": "zabbix-proxy-sqlite3",
            "binary_version": "1:2.2.2+dfsg-1ubuntu1+esm5"
        },
        {
            "binary_name": "zabbix-server-mysql",
            "binary_version": "1:2.2.2+dfsg-1ubuntu1+esm5"
        },
        {
            "binary_name": "zabbix-server-pgsql",
            "binary_version": "1:2.2.2+dfsg-1ubuntu1+esm5"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-23926.json"
Ubuntu:Pro:16.04:LTS
zabbix

Package

Name
zabbix
Purl
pkg:deb/ubuntu/zabbix?arch=source&distro=esm-apps%2Fxenial

Affected ranges

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

Affected versions

1:2.*
1:2.4.6+dfsg-1
1:2.4.7+dfsg-1
1:2.4.7+dfsg-2
1:2.4.7+dfsg-2ubuntu2
1:2.4.7+dfsg-2ubuntu2.1
1:2.4.7+dfsg-2ubuntu2.1+esm1
1:2.4.7+dfsg-2ubuntu2.1+esm2
1:2.4.7+dfsg-2ubuntu2.1+esm3
1:2.4.7+dfsg-2ubuntu2.1+esm4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "zabbix-agent",
            "binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4"
        },
        {
            "binary_name": "zabbix-frontend-php",
            "binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4"
        },
        {
            "binary_name": "zabbix-java-gateway",
            "binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4"
        },
        {
            "binary_name": "zabbix-proxy-mysql",
            "binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4"
        },
        {
            "binary_name": "zabbix-proxy-pgsql",
            "binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4"
        },
        {
            "binary_name": "zabbix-proxy-sqlite3",
            "binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4"
        },
        {
            "binary_name": "zabbix-server-mysql",
            "binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4"
        },
        {
            "binary_name": "zabbix-server-pgsql",
            "binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-23926.json"
Ubuntu:Pro:18.04:LTS
zabbix

Package

Name
zabbix
Purl
pkg:deb/ubuntu/zabbix?arch=source&distro=esm-apps%2Fbionic

Affected ranges

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

Affected versions

1:3.*
1:3.0.7+dfsg-3
1:3.0.12+dfsg-1
1:3.0.12+dfsg-1ubuntu0.1~esm1
1:3.0.12+dfsg-1ubuntu0.1~esm2
1:3.0.12+dfsg-1ubuntu0.1~esm3
1:3.0.12+dfsg-1ubuntu0.1~esm4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "zabbix-agent",
            "binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4"
        },
        {
            "binary_name": "zabbix-frontend-php",
            "binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4"
        },
        {
            "binary_name": "zabbix-java-gateway",
            "binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4"
        },
        {
            "binary_name": "zabbix-proxy-mysql",
            "binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4"
        },
        {
            "binary_name": "zabbix-proxy-pgsql",
            "binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4"
        },
        {
            "binary_name": "zabbix-proxy-sqlite3",
            "binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4"
        },
        {
            "binary_name": "zabbix-server-mysql",
            "binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4"
        },
        {
            "binary_name": "zabbix-server-pgsql",
            "binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-23926.json"
Ubuntu:Pro:20.04:LTS
zabbix

Package

Name
zabbix
Purl
pkg:deb/ubuntu/zabbix?arch=source&distro=esm-apps%2Ffocal

Affected ranges

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

Affected versions

1:4.*
1:4.0.4+dfsg-1build2
1:4.0.4+dfsg-1build3
1:4.0.11+dfsg-1
1:4.0.14+dfsg-1
1:4.0.15+dfsg-1
1:4.0.16+dfsg-1
1:4.0.16+dfsg-1build1
1:4.0.17+dfsg-1
1:4.0.17+dfsg-1ubuntu0.1~esm1
1:4.0.17+dfsg-1ubuntu0.1~esm2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "zabbix-agent",
            "binary_version": "1:4.0.17+dfsg-1ubuntu0.1~esm2"
        },
        {
            "binary_name": "zabbix-frontend-php",
            "binary_version": "1:4.0.17+dfsg-1ubuntu0.1~esm2"
        },
        {
            "binary_name": "zabbix-java-gateway",
            "binary_version": "1:4.0.17+dfsg-1ubuntu0.1~esm2"
        },
        {
            "binary_name": "zabbix-proxy-mysql",
            "binary_version": "1:4.0.17+dfsg-1ubuntu0.1~esm2"
        },
        {
            "binary_name": "zabbix-proxy-pgsql",
            "binary_version": "1:4.0.17+dfsg-1ubuntu0.1~esm2"
        },
        {
            "binary_name": "zabbix-proxy-sqlite3",
            "binary_version": "1:4.0.17+dfsg-1ubuntu0.1~esm2"
        },
        {
            "binary_name": "zabbix-server-mysql",
            "binary_version": "1:4.0.17+dfsg-1ubuntu0.1~esm2"
        },
        {
            "binary_name": "zabbix-server-pgsql",
            "binary_version": "1:4.0.17+dfsg-1ubuntu0.1~esm2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-23926.json"
Ubuntu:Pro:22.04:LTS
zabbix

Package

Name
zabbix
Purl
pkg:deb/ubuntu/zabbix?arch=source&distro=esm-apps%2Fjammy

Affected ranges

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

Affected versions

1:5.*
1:5.0.8+dfsg-1build1
1:5.0.14+dfsg-1
1:5.0.17+dfsg-1
1:5.0.17+dfsg-1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "zabbix-agent",
            "binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "zabbix-frontend-php",
            "binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "zabbix-java-gateway",
            "binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "zabbix-proxy-mysql",
            "binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "zabbix-proxy-pgsql",
            "binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "zabbix-proxy-sqlite3",
            "binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "zabbix-server-mysql",
            "binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "zabbix-server-pgsql",
            "binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-23926.json"