CVE-2026-116020
CVE-2026-116020 · BookStack before 26.09.2 Incorrect Authorization via AttachmentController on Draft Pages
Cette page présente des faits issus de sources publiques. Consultez l’avis original avant toute mise à jour.
BookStack before 26.09.2 contains an incorrect authorization vulnerability in AttachmentController that allows authenticated users to access other users' draft page attachments by ID. Attackers with attachment permissions can enumerate sequential attachment IDs to download, rename, relink, or replace files on another user's unpublished draft pages.
CVSS 5.3 · Moyenne · EPSS 0,2% · Correctif disponible
- Publication
- Mise à jour
Produits et versions concernés
bookstack
- Versions du logiciel
- ≥ 0, < 26.09.2: Concernée (custom)
Mettez à jour vers 26.09.2
Sources originales
- https://codeberg.org/bookstack/bookstack/commit/fcadecccda706b4ecaf9ac3f8e27defe0ebe78ae
- https://www.bookstackapp.com/blog/bookstack-release-v26-09-2/
- https://codeberg.org/bookstack/bookstack/releases/tag/v26.09.2
- https://codeberg.org/bookstack/bookstack/src/tag/v26.09.1/app/Uploads/Controllers/AttachmentController.php
- https://www.vulncheck.com/advisories/bookstack-before-26.09.2-incorrect-authorization-via-attachmentcontroller-on-draft-pages
- https://nvd.nist.gov/vuln/detail/CVE-2026-116020