VDB
CVE-2026-21728
CVE-2026-21728
PUBLISHED
CVSS 7.5 HIGH
Tempo queries with large limits can cause large memory allocations which can impact the availability of the service, depending on its deployment strategy. Mitigation can be done by setting max_result_limit in the search config, e.g. to 262144 (2^18).
EPSS 0.02% · 5.2th percentile
Risk Scores
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.02%
5.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Grafana | Tempo | v1.3.0 |
Timeline
- Apr 24, 2026 CVE Published
- Apr 24, 2026 Security Advisory
- May 5, 2026 CVE Updated
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 24, 2026 EPSS Score
- May 25, 2026 EPSS Score
- May 26, 2026 EPSS Score