Azure Linux 3.0 Security Update: CBL-Mariner Releases (CVE-2026-42506)

medium Nessus Plugin ID 317707

Synopsis

The remote Azure Linux host is missing one or more security updates.

Description

The version of CBL-Mariner Releases installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2026-42506 advisory.

- Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering.
(CVE-2026-42506)

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.

Plugin Details

Severity: Medium

ID: 317707

File Name: azure_linux_CVE-2026-42506.nasl

Version: 1.1

Type: Local

Published: 5/29/2026

Updated: 5/29/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.0

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2026-42506

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

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

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

Vulnerability Information

CPE: p-cpe:/a:microsoft:azure_linux:gh, p-cpe:/a:microsoft:azure_linux:cf-cli, p-cpe:/a:microsoft:azure_linux:keda, p-cpe:/a:microsoft:azure_linux:multus, x-cpe:/o:microsoft:azure_linux, p-cpe:/a:microsoft:azure_linux:docker-compose, p-cpe:/a:microsoft:azure_linux:containerd2, p-cpe:/a:microsoft:azure_linux:telegraf, p-cpe:/a:microsoft:azure_linux:docker-buildx, p-cpe:/a:microsoft:azure_linux:cloud-provider-kubevirt

Required KB Items: Host/local_checks_enabled, Host/AzureLinux/release, Host/AzureLinux/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 5/12/2026

Vulnerability Publication Date: 5/12/2026

Reference Information

CVE: CVE-2026-42506