CVE-2026-21728 (GCVE-0-2026-21728)

Vulnerability from cvelistv5 – Published: 2026-04-24 08:00 – Updated: 2026-04-24 13:06
VLAI?
Title
Tempo query limit results in unbounded memory allocation
Summary
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).
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
Vendor Product Version
Grafana Tempo Affected: v1.3.0 , < v2.11.0 (semver)
Create a notification for this product.
Date Public ?
2026-02-23 07:40
Show details on NVD website
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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