CVE-2026-5484

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...

PT-2026-30222

Name of the Vulnerable Software and Affected Versions BookStack versions prior to 26.03.1 Description An issue exists in the Chapter Export Handler component within the chapterToMarkdown function of the app/Exports/ExportFormatter.php file. A remote attacker can manipulate the pages argument to...

CVE-2026-5484: Improper Access Control

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...