CVE-2026-21721
A remote, anonymous or authenticated attacker can exploit multiple vulnerabilities in Grafana to carry out a Denial of Service attack or gain elevated permissions.
CSIRTS triage
- What
- Multiple vulnerabilities can be exploited by a remote attacker to carry out Denial of Service attacks or gain elevated permissions.
- Who is affected
- Both anonymous and authenticated users of Grafana are affected.
- Urgency
- Remediation is urgent as the vulnerabilities are classified as high severity.
- Action
- Update Grafana to the latest version to mitigate these vulnerabilities.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.65% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 47% of all EPSS-scored CVEs.
Advisory coverage (1)
- high[UPDATE] [high] Grafana: Multiple vulnerabilitiescert-bund · 2026-07-16
External references
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[](https://www.csirts.com/cve/CVE-2026-21721)