Summary iPlain-English security verdict for Zulip, generated from its current health score, actively-exploited vulnerabilities, and latest supported version.
Zulip currently scores 50/100 — needs attention. No tracked vulnerabilities are currently known to be exploited in the wild. Patch the open issues below when you can.
Disclosure trend iNew CVEs published for Zulip 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.
No urgent unpatched issues identified. ✓
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Frequently asked
Is Zulip safe and patched?
Zulip currently scores 50/100 — needs attention. No tracked vulnerabilities are currently known to be exploited in the wild. Patch the open issues below when you can.
What should I do about Zulip now?
Review the patch-priority list, apply the available fixes (or move to the latest release), and confirm against Zulip'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 Zulip's official advisory before you patch or upgrade — Zulip official site ↗