CVE-2026-27878
6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
A TraceQL query in Grafana Tempo with a large exemplars hint value can cause the Tempo instance to allocate an excessive amount of memory, resulting in an out-of-memory crash. This could allow an authenticated user to trigger a denial of service against the Tempo service.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Grafana | Enterprise Traces (GET) | 2.6.1 < 2.8.8 | affected |
| Grafana | Tempo | 2.6.0 < 2.10.2 | affected |
Weaknesses
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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