Collabora Online ↗
Summary iPlain-English security verdict for Collabora Online, generated from its current health score, actively-exploited vulnerabilities, and latest supported version.
Collabora Online currently scores 20/100 — critical, with active exploitation. 1 of its known vulnerability is being actively exploited in the wild (CISA KEV), including CVE-2026-110447. Upgrade immediately and review your exposure to the actively-exploited CVEs below.
Disclosure trend iNew CVEs published for Collabora Online 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-2026-110447 CRITICAL exploited OS command injection EPSS 12% → fixed in 26.4.303 CVE-2025-66208 CRITICAL OS command injection EPSS 1% → fixed in 25.04.702Get alerted about Collabora Online
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Frequently asked
Is Collabora Online safe and patched?
Collabora Online currently scores 20/100 — critical, with active exploitation. 1 of its known vulnerability is being actively exploited in the wild (CISA KEV), including CVE-2026-110447. Upgrade immediately and review your exposure to the actively-exploited CVEs below.
What should I do about Collabora Online now?
Review the patch-priority list, apply the available fixes (or move to the latest release), and confirm against Collabora's official advisory. Some issues are under active exploitation, so treat this as urgent.
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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 Collabora's official advisory before you patch or upgrade — Collabora Online official site ↗