Rocket.Chat vulnerabilities: known CVEs & security history
Rocket.Chat · Collaboration · 5 tracked CVEs · 0 actively exploited · updated September 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all Rocket.Chat release lines — 5 in total. A CVE here doesn't mean your version is affected — check Rocket.Chat's current status and the safe version to run.
Known Rocket.Chat CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2026-58066 | critical | 9.8 | 0% | 2026 |
| CVE-2026-48616 | critical | 9.3 | 0% | 2026 |
| CVE-2026-65644 | high | 7.5 | 0% | 2026 |
| CVE-2026-48929 | high | 7.5 | 1% | 2026 |
| CVE-2026-65645 | medium | 4.3 | 0% | 2026 |
Is my Rocket.Chat version affected?
The list above spans every release. To know whether your version is affected — and the minimum safe version to upgrade to — check it directly.
Check your Rocket.Chat version → · Monitor Rocket.Chat for new CVEs →
Rocket.Chat vulnerabilities — frequently asked
How many known vulnerabilities does Rocket.Chat have?
IsItPatched tracks 5 CVEs for Rocket.Chat. 2 are critical-severity and 2 high-severity. These span every release line — what matters is whether the version you run is affected.
Does Rocket.Chat have any actively-exploited vulnerabilities?
None of Rocket.Chat's tracked CVEs are currently in CISA's KEV catalog — but new ones can be added at any time, so keep your version current.
What is the most severe Rocket.Chat vulnerability?
Among tracked issues, CVE-2026-58066 (CRITICAL, CVSS 9.8) ranks highest — a Improper authentication weakness.
Is Rocket.Chat safe to use?
It depends on the version. The latest supported Rocket.Chat release clears the known issues; older versions may still be affected. Check the exact version you run for a verdict.
CVE data aggregated from NVD, CISA KEV and EPSS (FIRST.org). Related: Rocket.Chat security status · Rocket.Chat end-of-life · actively-exploited CVEs. Always verify against Rocket.Chat's advisories — see our disclaimer.