CVE-2026-21896

MEDIUM

5.7

Descripcion

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.

Detalles CVE

Puntuacion CVSS v3.15.7

SeveridadMEDIUM

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

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosLOW

Interaccion usuarioREQUIRED

Publicado1/8/2026

Ultima modificacion2/2/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

getkirby:kirby

Debilidades (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)

Correlaciones IOC

Sin correlaciones registradas

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