CVE-2026-21896

MEDIUM

5.7

Beschreibung

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.

CVE Details

CVSS v3.1 Bewertung5.7

SchweregradMEDIUM

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

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienLOW

BenutzerinteraktionREQUIRED

Veroffentlicht1/8/2026

Zuletzt geandert2/2/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

getkirby:kirby

Schwachen (CWE)

CWE-863

Referenzen

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)

IOC Korrelationen

Keine Korrelationen erfasst

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