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CVE-2026-42174

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

CVSS 5.3 MEDIUMEPSS 0.2%CWE-862
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.
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
Affected products
getkirby · kirby

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References
https://github.com/getkirby/kirby/releases/tag/4.9.0https://github.com/getkirby/kirby/releases/tag/5.4.0https://github.com/getkirby/kirby/security/advisories/GHSA-39cp-6679-8xv2