CVE-2026-54611

Katalog CVE

CVSS 5.5 · Medium EPSS 0,66%

Kerentanan Improper Control of Generation of Code ('Code Injection'). Skor CVSS 3.1 5.5 (Medium) menurut github.com.

Deskripsi (NVD)

InstantCMS is a free and open source content management system. Versions prior to 2.18.2 have a Remote Code Execution (RCE) issue that allows remote authenticated attackers to execute any PHP code via the component installer. It is possible to upload a malicious component into the server, however, it won't be installed, but upload files will be executed. Normally all php files in upload folder are not executed, however, by uploading custom .htaccess it becomes possible. Version 2.18.2 contains a fix.

Rincian

Terbit di NVD

8 September 2026

Terakhir diubah

9 September 2026

Status NVD

Deferred

CVSS 3.1

5.5 (Medium), sumber github.com
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-94: Improper Control of Generation of Code ('Code Injection')
CWE-434: Unrestricted Upload of File with Dangerous Type

EPSS (30 hari)

0,66% peluang dieksploitasi; lebih tinggi dari 50,3% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/instantsoft/icms2/commit/44f3a9d04a3207c82cdc756599cbdf084a02858f
• https://github.com/instantsoft/icms2/security/advisories/GHSA-vvgv-h28h-p2m5