USN-8404-1

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-8404-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8404-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8404-1
Upstream
Related
Published
2026-06-08T15:15:55Z
Modified
2026-06-08T23:14:20.564173788Z
Summary
transmission vulnerability
Details

It was discovered that Transmission had a clickjacking weakness in the browser-facing WebUI and RPC response paths. An attacker could possibly use this issue to trick users into performing unintended actions.

References

Affected packages

Ubuntu:22.04:LTS / transmission

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.00-2ubuntu2.2

Affected versions

3.*
3.00-1ubuntu2
3.00-1ubuntu5
3.00-2ubuntu1
3.00-2ubuntu2
3.00-2ubuntu2.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "3.00-2ubuntu2.2",
            "binary_name": "transmission"
        },
        {
            "binary_name": "transmission-cli",
            "binary_version": "3.00-2ubuntu2.2"
        },
        {
            "binary_version": "3.00-2ubuntu2.2",
            "binary_name": "transmission-common"
        },
        {
            "binary_name": "transmission-daemon",
            "binary_version": "3.00-2ubuntu2.2"
        },
        {
            "binary_name": "transmission-gtk",
            "binary_version": "3.00-2ubuntu2.2"
        },
        {
            "binary_name": "transmission-qt",
            "binary_version": "3.00-2ubuntu2.2"
        }
    ]
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:22.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-38978",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8404-1.json"

Ubuntu:24.04:LTS / transmission

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.0.5-1ubuntu0.1

Affected versions

4.*
4.0.2-1ubuntu3
4.0.5-1
4.0.5-1build3
4.0.5-1build4
4.0.5-1build5

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "4.0.5-1ubuntu0.1",
            "binary_name": "transmission"
        },
        {
            "binary_name": "transmission-cli",
            "binary_version": "4.0.5-1ubuntu0.1"
        },
        {
            "binary_version": "4.0.5-1ubuntu0.1",
            "binary_name": "transmission-common"
        },
        {
            "binary_name": "transmission-daemon",
            "binary_version": "4.0.5-1ubuntu0.1"
        },
        {
            "binary_name": "transmission-gtk",
            "binary_version": "4.0.5-1ubuntu0.1"
        },
        {
            "binary_name": "transmission-qt",
            "binary_version": "4.0.5-1ubuntu0.1"
        }
    ]
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:24.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-38978",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8404-1.json"

Ubuntu:25.10 / transmission

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.1.0~beta2+dfsg-3ubuntu1.1

Affected versions

4.*
4.0.6+dfsg-3ubuntu2
4.1.0~beta2+dfsg-3ubuntu1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "4.1.0~beta2+dfsg-3ubuntu1.1",
            "binary_name": "transmission"
        },
        {
            "binary_version": "4.1.0~beta2+dfsg-3ubuntu1.1",
            "binary_name": "transmission-cli"
        },
        {
            "binary_version": "4.1.0~beta2+dfsg-3ubuntu1.1",
            "binary_name": "transmission-common"
        },
        {
            "binary_name": "transmission-daemon",
            "binary_version": "4.1.0~beta2+dfsg-3ubuntu1.1"
        },
        {
            "binary_name": "transmission-gtk",
            "binary_version": "4.1.0~beta2+dfsg-3ubuntu1.1"
        },
        {
            "binary_version": "4.1.0~beta2+dfsg-3ubuntu1.1",
            "binary_name": "transmission-qt"
        }
    ]
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:25.10",
    "cves": [
        {
            "id": "CVE-2026-38978",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8404-1.json"

Ubuntu:26.04:LTS / transmission

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.1.1+dfsg-1ubuntu1.1

Affected versions

4.*
4.1.0~beta2+dfsg-3ubuntu1
4.1.0~beta2+dfsg-3ubuntu2
4.1.0~beta4+dfsg-1ubuntu1
4.1.0~beta5+dfsg-1ubuntu1
4.1.0+dfsg-1ubuntu1
4.1.1+dfsg-1ubuntu1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "4.1.1+dfsg-1ubuntu1.1",
            "binary_name": "transmission"
        },
        {
            "binary_name": "transmission-cli",
            "binary_version": "4.1.1+dfsg-1ubuntu1.1"
        },
        {
            "binary_name": "transmission-common",
            "binary_version": "4.1.1+dfsg-1ubuntu1.1"
        },
        {
            "binary_name": "transmission-daemon",
            "binary_version": "4.1.1+dfsg-1ubuntu1.1"
        },
        {
            "binary_version": "4.1.1+dfsg-1ubuntu1.1",
            "binary_name": "transmission-gtk"
        },
        {
            "binary_name": "transmission-qt",
            "binary_version": "4.1.1+dfsg-1ubuntu1.1"
        }
    ]
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:26.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-38978",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8404-1.json"