EUVD-2026-18819

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...

CVE-2026-5484

Summary (CVE-2026-5484) : BookStackApp BookStack (up to 26.03) contains a vulnerability in the function chapterToMarkdown within app/Exports/ExportFormatter.php of the Chapter Export Handler . Manipulating the argument pages can bypass access controls, enabling a remote attack. The exploit is pub...

PT-2026-30222

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...