CVE-2026-86285

Katalog CVE

CVSS 4.3 · Medium EPSS 0,39%

Kerentanan Incorrect Privilege Assignment. Skor CVSS 3.1 4.3 (Medium) menurut vuldb.com.

Deskripsi (NVD)

A vulnerability was detected in BookStack up to 26.05.2. Affected by this issue is the function AttachmentController::getUpdateForm of the file app/Uploads/Controllers/AttachmentController.php of the component Attachment Edit Endpoint. The manipulation of the argument ID results in improper access controls. The attack may be launched remotely. The exploit is now public and may be used. The patch is identified as 4e406c41c4c8060a5795e74c66fb96362e54f400. It is advisable to implement a patch to correct this issue.

Rincian

Terbit di NVD

7 September 2026

Terakhir diubah

9 September 2026

Status NVD

Deferred

CVSS 3.1

4.3 (Medium), sumber vuldb.com
CVSS:3.1/AV:N/AC:L/PR:L/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)

0,39% peluang dieksploitasi; lebih tinggi dari 30,7% 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://ashutosh-jena.in/blog/broken-access-control-in-bookstack-how-a-missing-permission-check-leaked-attachm...
• https://codeberg.org/bookstack/bookstack/commit/4e406c41c4c8060a5795e74c66fb96362e54f400
• https://vuldb.com/cve/CVE-2026-86285
• https://vuldb.com/submit/905693
• https://vuldb.com/vuln/399445
• https://vuldb.com/vuln/399445/cti