CVE-2026-42174

Kirby: User avatar creation, replacement and deletion are not gated by user update permissions

Published May 9, 2026 CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
Kirby is an open-source content management system. Prior to versions 4.9.0 and 5.4.0, user avatar creation, replacement and deletion are not gated by user update permissions. This issue has been patched in versions 4.9.0 and 5.4.0.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-39cp-6679-8xv2 Kirby CMS doesn't gate user avatar creation, replacement and deletion with user update permissions
History
Type Values Removed Values Added
CPEs cpe:2.3:a:getkirby:kirby:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Getkirby
Getkirby kirby
Vendors & Products Getkirby
Getkirby kirby
Type Values Removed Values Added
Description Kirby is an open-source content management system. Prior to versions 4.9.0 and 5.4.0, user avatar creation, replacement and deletion are not gated by user update permissions. This issue has been patched in versions 4.9.0 and 5.4.0.
Title Kirby: User avatar creation, replacement and deletion are not gated by user update permissions
Weaknesses CWE-862
References
Metrics cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
May 11, 2026, 5:41 PM
Reserved
Apr 25, 2026, 1:53 AM
Status
Analyzed
Published
May 9, 2026, 4:16 AM
Modified
Jul 24, 2026, 9:10 PM