BookStackApp · weakness class

Access Control

8 CVEs

Every dot is a CVE in what this vendor ships; the named ones are the most at risk.

Connect AI

likely to be exploited: 1

Every one of the 8 is a mark on the map. Named now: 1 to 8, most at risk first.

Improper Access Control in bookstackapp/bookstackCVE-2021-4119bookstackapp · CVSS 5.3 · 27% likely
CWE-284
Improper Access Control in bookstackapp/bookstackCVE-2021-4026bookstackapp · CVSS 6.5 · 0.9% likely
CWE-284
Improper Access Control in bookstackapp/bookstackCVE-2021-4194bookstackapp · CVSS 4.3 · 0.7% likely
CWE-284
BookStack < 26.05.4 Broken Access Control via Image Gallery APICVE-2026-67204BookStackApp · CVSS 5.4 · 0.4% likely
CWE-863
BookStackApp BookStack Chapter Export ExportFormatter.php chapterToMarkdown access controlCVE-2026-5484BookStackApp · CVSS 5.3 · 0.3% likely
CWE-266
BookStack before 26.09.3 Incorrect Authorization via Image and Drawio EndpointsCVE-2026-126811BookStackApp · CVSS 5.4 · 0.3% likely
CWE-863
BookStack before 26.09.3 Broken Access Control via ImageControllerCVE-2026-125870bookstackapp · CVSS 4.2 · 0.2% likely
CWE-863
BookStack before 26.09.2 Incorrect Authorization via AttachmentController on Draft PagesCVE-2026-116020BookStackApp · CVSS 5.4 · 0.2% likely
CWE-863

exploited in the wildcheck availableringed, named or not: CyberSIXT has reported on it

Zoom in on the map and the dots under the middle of it are named where they are.

Data as of 2026-11-15. CVE List through 2026-11-15 · EPSS of 2026-11-14 · CISA KEV checked 2026-11-15. Sources: the CVE List, CISA KEV, EPSS, NVD, nuclei templates and public bug bounty data.