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Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : Transmission vulnerability (USN-8404-1)

medium Nessus Plugin ID 320389

Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8404-1 advisory.

 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.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-8404-1

Plugin Details

Severity: Medium

ID: 320389

File Name: ubuntu_USN-8404-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 6/11/2026

Updated: 6/11/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.2

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS Score Source: CVE-2026-38978

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:25.10, p-cpe:/a:canonical:ubuntu_linux:transmission-cli, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:transmission-common, p-cpe:/a:canonical:ubuntu_linux:transmission-daemon, p-cpe:/a:canonical:ubuntu_linux:transmission-qt, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libtransmission-dev, p-cpe:/a:canonical:ubuntu_linux:transmission-gtk, p-cpe:/a:canonical:ubuntu_linux:transmission, cpe:/o:canonical:ubuntu_linux:26.04:-:lts

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 6/8/2026

Vulnerability Publication Date: 6/2/2026

Reference Information

CVE: CVE-2026-38978

USN: 8404-1