CVE-2026-22643
Grafana long titles can crash Chromium browsers (DoS).
Is CVE-2026-22643 being exploited?
Not confirmed. CVE-2026-22643 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked.
How severe is CVE-2026-22643?
CVE-2026-22643 is rated High with a CVSS score of 8.3. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-22643?
Yes. A fix has been recorded for CVE-2026-22643. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-22643 affect?
CVE-2026-22643 affects Grafana (<11.6.2). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-22643?
Upgrade Grafana to 11.6.2+
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Excessively long dashboard titles/panel names can crash Chromium browsers, causing client-side DoS on Grafana dashboards.
Patch when possible