Summary iPlain-English security verdict for BookStack, generated from its current health score, actively-exploited vulnerabilities, and latest supported version.
BookStack currently scores 43/100 — high risk. No tracked vulnerabilities are currently known to be exploited in the wild. Upgrade soon — serious vulnerabilities are open and a fix usually exists.
Disclosure trend iNew CVEs published for BookStack each year (NVD). A higher bar means more disclosures that year — more scrutiny, not necessarily less safe.
Patch priority — what to act on iThe issues to fix first — actively exploited (CISA KEV) first, then by exploitation probability (EPSS), then severity. Each row's "→ fixed in" is the earliest version that patches it; "see advisory" means no fixed version is published.
Most urgent first — actively exploited, then likeliest to be exploited.
CVE-2021-4119 CRITICAL Improper access control EPSS 27% → see advisoryGet alerted about BookStack
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Frequently asked
Is BookStack safe and patched?
BookStack currently scores 43/100 — high risk. No tracked vulnerabilities are currently known to be exploited in the wild. Upgrade soon — serious vulnerabilities are open and a fix usually exists.
What should I do about BookStack now?
Review the patch-priority list, apply the available fixes (or move to the latest release), and confirm against BookStack's official advisory.
lifecycle unknown — needs latest supported version
Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against BookStack's official advisory before you patch or upgrade — BookStack official site ↗