Medium severityGHSA Advisory· Published May 9, 2026· Updated May 12, 2026

CVE-2026-42174

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.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
getkirby/cmsPackagist	< 4.9.0	4.9.0
getkirby/cmsPackagist	>= 5.0.0, < 5.4.0	5.4.0

Affected products

Getkirby/KirbyGHSA
Range: >= 5.0.0, <= 5.3.3

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

github.com/advisories/GHSA-39cp-6679-8xv2ghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2026-42174ghsaADVISORY
github.com/getkirby/kirby/releases/tag/4.9.0nvdWEB
github.com/getkirby/kirby/releases/tag/5.4.0nvdWEB
github.com/getkirby/kirby/security/advisories/GHSA-39cp-6679-8xv2nvdWEB

News mentions

No linked articles in our index yet.

cvss	0.260
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000