CVE-2026-21723
A remote, authenticated attacker can exploit a vulnerability in Grafana to carry out a denial of service attack.
CSIRTS triage
- What
- A remote, authenticated attacker can exploit a vulnerability in Grafana to carry out a denial of service attack.
- Who is affected
- Authenticated users of Grafana.
- Urgency
- Remediation is medium urgency as it requires authenticated access to exploit.
- Action
- Upgrade to the latest version of Grafana to address this vulnerability.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.20% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 10% of all EPSS-scored CVEs.
Advisory coverage (2)
- medium[NEW] [medium] Grafana: Vulnerability allows denial of servicecert-bund · 2026-07-23
- mediumCVE-2026-21723: The alertmanager templates test endpoint (/api/alertmanager/grafana/config/api/v1/templates/te…nvd · 2026-07-23
External references
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[](https://www.csirts.com/cve/CVE-2026-21723)