CVE-2026-21896

MEDIUM

5.7

Descricao

Kirby is an open-source content management system. From versions 5.0.0 to 5.2.1, Kirby is missing permission checks in the content changes API. This vulnerability affects all Kirby sites where user permissions are configured to prevent specific role(s) from performing write actions, specifically by disabling the update permission with the intent to prevent modifications to site content. This vulnerability does not affect those who have not altered the deviated from default user permissions. This issue has been patched in version 5.2.2.

Detalhes CVE

Pontuacao CVSS v3.15.7

SeveridadeMEDIUM

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosLOW

Interacao do usuarioREQUIRED

Publicado1/8/2026

Ultima modificacao2/2/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

getkirby:kirby

Fraquezas (CWE)

CWE-863

Referencias

https://github.com/getkirby/kirby/commit/f5ce1347b427b819bf193acf11fd0da232f7af47(security-advisories@github.com)

https://github.com/getkirby/kirby/releases/tag/5.2.2(security-advisories@github.com)

https://github.com/getkirby/kirby/security/advisories/GHSA-4j78-4xrm-cr2f(security-advisories@github.com)

Correlacoes IOC

Sem correlacoes registradas

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