Detections
Analytics

SCA: security update for getkirby/cms (GHSA-whxw-24jc-cwmv)

critical Tenable Self-Hosted Container Security Plugin ID 443541

Description

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

 - Kirby is an open-source content management system. Prior to 4.9.4 and from 5.4.4, Kirby sites with no
 configured user accounts that run on publicly accessible servers behind a reverse proxy setting the
 Forwarded, X-Client-IP, or X-Real-IP request header could allow remote attackers to install the Panel and
 create the first admin user because local-IP checks trusted those headers incorrectly. This issue is fixed
 in versions 4.9.4 and 5.4.4. (CVE-2026-54003)

Solution

Update the getkirby/cms library and its related packages to version 4.9.4 or later.

See Also

https://github.com/advisories/GHSA-whxw-24jc-cwmv

Plugin Details

Severity: Critical

ID: 443541

Version: Revision 1.4

Type: Local

Family: SCA Checks

Published: 6/19/2026

Updated: 7/10/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.76

Vendor

Vendor Severity: Critical

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-2026-54003

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

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

CVSS v4

Risk Factor: Critical

Base Score: 9.1

Threat Score: 6.9

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 6/18/2026

Vulnerability Publication Date: 6/18/2026

Reference Information

CVE: CVE-2026-54003

cwe: CWE-454