CVE-2026-21728

CVE-2026-21728 affects Grafana Tempo: queries with large limits can trigger large memory allocations, potentially impacting service availability depending on deployment. Technical detail across sources confirms the issue arises from unbounded or excessive memory usage during large-limit tempo que...

PT-2026-34868

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...