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CVE-2026-5484 BookStackApp BookStack Chapter Export ExportFormatter.php chapterToMarkdown access control

🗓️ 03 Apr 2026 19:45:12Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 1 Views

Vulnerability in BookStackApp chapter export allows improper access control via chapterToMarkdown; upgrade to version 26.03.1.

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08 Jul 2026 08:11Current
5.7Medium risk
Vulners AI Score5.7
CVSS 46.9
EPSS0.00322
1