PT-2026-51011 · Grafana · Enterprise Traces+1

Published

2026-06-19

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Updated

2026-06-19

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CVE-2026-27878

CVSS v3.1

6.5

Medium

VectorAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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.

Fix

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Related Identifiers

CVE-2026-27878

Affected Products

Enterprise Traces
Tempo