Detections
Analytics
Unity Linux 20.1070a Security Update: python3.11 (UTSA-2026-150501)
high Nessus Plugin ID 376605
Synopsis
The Unity Linux host is missing one or more security updates.Description
The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-150501 advisory.Mitgation ofCVE-2026-4519 was incomplete. If the URL contained %action the mitigation could be bypassed for certain browser types the webbrowser.open() API could have commands injected into the underlying shell. SeeCVE-2026-4519 for details.
Tenable has extracted the preceding description block directly from the Unity Linux 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 python3.11 package.See Also
https://access.redhat.com/security/cve/CVE-2026-4786
https://github.com/python/cpython/issues/148169
https://github.com/python/cpython/pull/148170
http://www.nessus.org/u?1afc0174
http://www.nessus.org/u?307bf631
http://www.nessus.org/u?655e2703
http://www.nessus.org/u?8447f0b3
http://www.nessus.org/u?888979f8
http://www.nessus.org/u?a3f7f2a7
Plugin Details
Severity: High
ID: 376605
File Name: unity_linux_UTSA-2026-150501.nasl
Version: 1.1
Type: Local
Published: 11/5/2026
Updated: 11/5/2026
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.5
Percentile: 57.61
CVSS v2
Risk Factor: High
Base Score: 7.3
Temporal Score: 5.4
Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:P
CVSS Score Source: CVE-2026-4786
CVSS v3
Risk Factor: High
Base Score: 7.1
Temporal Score: 6.2
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
CVSS v4
Risk Factor: High
Base Score: 7
Threat Score: 3.7
Threat Vector: CVSS:4.0/E:U
Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Vulnerability Information
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/UOS-Server/release, Host/UOS-Server/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 11/5/2026
Vulnerability Publication Date: 2/12/2026
Reference Information
CVE: CVE-2026-4786