CVE-2026-116020
CVE-2026-116020 · BookStack before 26.09.2 Incorrect Authorization via AttachmentController on Draft Pages
Esta página presenta datos de fuentes públicas de vulnerabilidades. Consulta el aviso original antes de actualizar.
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permissions can enumerate sequential attachment IDs to download, rename, relink, or replace files on another user's unpublished draft pages.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 · Media · EPSS 0,2% · Corrección disponible
- Publicación
- Actualización
Productos y versiones afectados
bookstack
- Versiones
- ≥ 0, < 26.09.2: Afectada (custom)
Actualiza a 26.09.2
Fuentes 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