Detections
Analytics

SCA: security update for Umbraco.Cms (GHSA-fpvf-fvp5-996r)

medium Tenable Cloud Security Plugin ID 438603

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - Umbraco is an ASP.NET CMS. From 14.0.0 to before 16.5.1 and 17.2.2, A broken object-level authorization
 vulnerability exists in a backoffice API endpoint that allows authenticated users to assign domain-related
 data to content nodes without proper authorization checks. The issue is caused by insufficient
 authorization enforcement on the affected API endpoint, whereby via an API call, domains can be set on
 content nodes that the editor does not have permission to access (either via user group privileges or
 start nodes). This vulnerability is fixed in 16.5.1 and 17.2.2. (CVE-2026-31832)

Solution

Update the Umbraco.Cms library and its related packages to version 16.5.1 or later.

See Also

https://github.com/advisories/GHSA-fpvf-fvp5-996r

Plugin Details

Severity: Medium

ID: 438603

Version: Revision 1.9

Type: Local

Family: SCA Checks

Published: 3/11/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 2.1

Percentile: 7.71

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.1

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

CVSS Score Source: CVE-2026-31832

CVSS v3

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.7

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 3/11/2026

Vulnerability Publication Date: 3/10/2026

Reference Information

CVE: CVE-2026-31832

cwe: CWE-639