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AlmaLinux 9.6 [TuxCare] Security Update: osbuild-composer / osbuild-composer-core / osbuild-composer-tests / etc (ALMALINUX9.6:CLSA-2026:1789483713)
medium Nessus Plugin ID 352739
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Synopsis
The AlmaLinux host is missing one or more security updates.Description
The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1789483713 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-2026-27136)
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 based on the guidance in TuxCare advisory ALMALINUX9.6:CLSA-2026:1789483713.See Also
Plugin Details
Severity: Medium
ID: 352739
File Name: tuxcare_alma_linux_9.6_CLSA-2026-1789483713.nasl
Version: 1.1
Type: Local
Family: Alma Linux Local Security Checks
Published: 9/30/2026
Updated: 9/30/2026
Supported Sensors: Continuous Assessment, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus
Risk Information
VPR
Risk Factor: Low
Score: 2.3
Percentile: 9.54
Vendor
Vendor Severity: Important
CVSS v2
Risk Factor: High
Base Score: 9.4
Temporal Score: 7
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N
CVSS Score Source: CVE-2026-27136
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
Required KB Items: Host/OS/extended-third-party, Host/local_checks_enabled, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list, Host/cpu
Exploit Ease: No known exploits are available
Patch Publication Date: 9/15/2026
Vulnerability Publication Date: 5/12/2026
Reference Information
CVE: CVE-2026-27136
CLSA: 2026:1789483713