Detections
Analytics

SCA: security update for decidim-core (GHSA-fc46-r95f-hq7g)

critical Tenable Cloud Security Plugin ID 440456

Description

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

 - Decidim is a participatory democracy framework. In versions below 0.30.5 and 0.31.0.rc1 through 0.31.0, a
 stored code execution vulnerability in the user name field allows a low-privileged attacker to execute
 arbitrary code in the context of any user who passively visits a comment page, resulting in high
 confidentiality and integrity impact across security boundaries. This issue has been fixed in versions
 0.30.5 and 0.31.1. (CVE-2026-23891)

Solution

Update the decidim-core library and its related packages to version 0.30.5 or later.

See Also

https://github.com/advisories/GHSA-fc46-r95f-hq7g

Plugin Details

Severity: Critical

ID: 440456

Version: Revision 1.6

Type: Local

Family: SCA Checks

Published: 4/16/2026

Updated: 6/16/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.8

Percentile: 57.62

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

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

CVSS Score Source: CVE-2026-23891

CVSS v3

Risk Factor: High

Base Score: 8.7

Temporal Score: 7.6

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

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

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 7.5

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 4/13/2026

Vulnerability Publication Date: 4/13/2026

Reference Information

CVE: CVE-2026-23891

cwe: CWE-79