CVEvulnerability

CVE-2026-27878

6.5 MEDIUM Published 2026-06-19 Modified 2026-06-29 Official page ↗
Status
Analyzed
Published
2026-06-19
Last modified
2026-06-29
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-400

Description

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 configurations

• grafana tempo (>= 2.6.0 < 2.8.4) • grafana tempo (>= 2.9.0 < 2.9.2) • grafana tempo (>= 2.10.0 < 2.10.2)

Related

Weakness · CWE (1)

  • CWE-400 Uncontrolled Resource Consumption weakness

References