CVE Catalog

CVE-2026-21728

HighCVSS 7.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.64%

48th percentile - higher than 48% of all known CVEs

Summary

Tempo queries with large limits can cause large memory allocations, impacting service availability depending on deployment strategy. Mitigation can be done by setting max_result_limit in the search config, e.g., to 262144 (2^18). Alternatively, automatically restart the service.

Risk Assessment

The risk is potential memory exhaustion and denial of service, which can disrupt monitoring systems.

Recommendation

Configure max_result_limit in the search config and consider automatic service restart if issues occur.

Related vulnerabilities

Original NVD description (English source)

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). Alternatively, automatically restart the service.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS