CVE-2026-21896: getkirby kirby

csirt@kutim:~/threat-intel/cve/CVE-2026-21896

CVSS 5.7 · Medium EPSS 0,23%

Kerentanan Incorrect Authorization pada getkirby kirby. Skor CVSS 3.1 5.7 (Medium) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD: 8 Januari 2026
Terakhir diubah: 17 Juni 2026
Status NVD: Analyzed
CVSS 3.1: 5.7 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-863: Incorrect Authorization
EPSS (30 hari): 0,23% peluang dieksploitasi; lebih tinggi dari 12,7% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
getkirby	kirby	Versi 5.0.0 hingga sebelum 5.2.2

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/getkirby/kirby/security/advisories/GHSA-4j78-4xrm-cr2f patch · advisory vendor
https://github.com/getkirby/kirby/commit/f5ce1347b427b819bf193acf11fd0da232f7af47 patch
https://github.com/getkirby/kirby/releases/tag/5.2.2 product · release notes

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:11 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.