CVE-2026-5484

Katalog CVE

CVSS 5.3 · Medium EPSS 0,55%

Kerentanan Incorrect Privilege Assignment. Skor CVSS 3.1 5.3 (Medium) menurut vuldb.com.

Deskripsi (NVD)

A weakness has been identified in BookStackApp BookStack up to 26.03. Affected is the function chapterToMarkdown of the file app/Exports/ExportFormatter.php of the component Chapter Export Handler. Executing a manipulation of the argument pages can lead to improper access controls. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 26.03.1 is able to address this issue. This patch is called 8a59895ba063040cc8dafd82e94024c406df3d04. It is advisable to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Rincian

Terbit di NVD

3 April 2026

Terakhir diubah

20 Juli 2026

Status NVD

Deferred

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-266: Incorrect Privilege Assignment
CWE-284: Improper Access Control

EPSS (30 hari)

0,55% peluang dieksploitasi; lebih tinggi dari 44,4% 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/BookStackApp/BookStack/
• https://github.com/BookStackApp/BookStack/commit/8a59895ba063040cc8dafd82e94024c406df3d04
• https://github.com/BookStackApp/BookStack/releases/tag/v26.03.1
• https://github.com/Ghufran2/CVE-Bookstack/blob/main/Permission%20Bypass%20in%20Markdown%20Chapter%20Export
• https://vuldb.com/submit/781762
• https://vuldb.com/vuln/355091
• https://vuldb.com/vuln/355091/cti
• https://www.bookstackapp.com/blog/bookstack-release-v26-03-1/