B
BookStack
Security Risk Profile
50
/100
mediumSecurity Risk Score
Comprehensive risk assessment based on 5 vulnerabilities, EPSS scores, exploitation status, and remediation availability.
📅 Data spans from August 29, 2026 to present
5
Total CVEs
3
Critical+High
0
Exploited
3
Unpatched
Threat Assessment
Avg CVSS
6.9
Base severity
Avg EPSS
0%
Exploit probability
Unpatched
3
Critical/High
Risk Level
50/100
medium
🆕 1Fresh (<7d)📈 1 in Last 30 Days
Severity Distribution
Critical
2High
1Medium
1Low
1Exploit Likelihood
>50% chance
020-50%
05-20%
0<5%
0Age Distribution
Common Weaknesses (CWE)
1
XSS
1
2
Malicious File Upload
1
Most Affected Products
1. BookStack BookStack5
Recent Vulnerabilities
See more →CVE-2026-116020
CVSS 5.4medium
BookStack before 26.09.2 Incorrect Authorization via AttachmentController on Draft Pages
Oct 24, 2026🔧 No Patch
CVE-2026-89022
CVSS 9.1critical
BookStack < 26.05.5 Authentication Bypass via Social Login Provider Confusion
Sep 15, 2026🔧 No Patch
CVE-2026-86285
CVSS 2.1low
BookStack Attachment Edit Endpoint AttachmentController.php getUpdateForm access control
Sep 7, 2026🔧 No Patch
CVE-2026-84695
CVSS 9.3critical
BookStack before 26.05.4 Stored XSS via Drawing Upload
Sep 2, 2026🔧 No Patch
CVE-2026-82450
CVSS 8.7high
BookStack before 26.05.4 Remote Code Execution via Book Cover
Aug 29, 2026🔧 No Patch
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