CVE-2026-21728
A remote, anonymous attacker can exploit multiple vulnerabilities in Grafana Tempo to conduct a Denial of Service attack.
CSIRTS triage
- What
- Multiple vulnerabilities allow a remote attacker to conduct a Denial of Service attack.
- Who is affected
- Deployments of Grafana Tempo are affected.
- Urgency
- Remediation is medium urgency as exploitation is possible but not currently observed.
- Action
- Update to the latest version of Grafana Tempo.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.64% 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)
- medium[NEW] [medium] Grafana Tempo: Multiple vulnerabilities allow Denial of Servicecert-bund · 2026-07-15
External references
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[](https://www.csirts.com/cve/CVE-2026-21728)