{"id":"CVE-2026-21728","sourceIdentifier":"security@grafana.com","published":"2026-04-24T09:16:03.710","lastModified":"2026-10-26T21:10:00.170","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Tempo queries with large limits can cause large memory allocations which can impact the availability of the service, depending on its deployment strategy.\n\nMitigation can be done by setting max_result_limit in the search config, e.g. to 262144 (2^18). Alternatively, automatically restart the service."},{"lang":"es","value":"Las consultas de Tempo con límites grandes pueden causar grandes asignaciones de memoria, lo que puede impactar la disponibilidad del servicio, dependiendo de su estrategia de despliegue.\n\nLa mitigación se puede realizar configurando max_result_limit en la configuración de búsqueda, por ejemplo, a 262144 (2^18)."}],"affected":[{"source":"security@grafana.com","affectedData":[{"vendor":"Grafana","product":"Tempo","defaultStatus":"unaffected","versions":[{"version":"1.3.0","lessThanOrEqual":"2.8.3","versionType":"semver","status":"affected"},{"version":"2.9.0","lessThanOrEqual":"2.9.1","versionType":"semver","status":"affected"},{"version":"2.10.0","lessThanOrEqual":"2.10.1","versionType":"semver","status":"affected"}]},{"vendor":"Grafana","product":"Enterprise Traces 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