{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-21728","assignerOrgId":"57da9224-a3e2-4646-9d0e-c4dc2e05e7da","state":"PUBLISHED","assignerShortName":"GRAFANA","dateReserved":"2026-01-05T09:26:06.215Z","datePublished":"2026-04-24T08:00:47.074Z","dateUpdated":"2026-04-24T13:06:58.775Z"},"containers":{"cna":{"providerMetadata":{"orgId":"57da9224-a3e2-4646-9d0e-c4dc2e05e7da","shortName":"GRAFANA","dateUpdated":"2026-04-24T08:00:47.074Z"},"datePublic":"2026-02-23T07:40:45.862Z","title":"Tempo query limit results in unbounded memory allocation","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)."}],"affected":[{"vendor":"Grafana","product":"Tempo","platforms":["OnPrem"],"defaultStatus":"unaffected","versions":[{"version":"v1.3.0","status":"affected","versionType":"semver","lessThan":"v2.11.0"}]}],"references":[{"url":"https://grafana.com/security/security-advisories/cve-2026-21728","tags":["vendor-advisory"]}],"metrics":[{"cvssV3_1":{"version":"3.1","baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}}],"source":{"discovery":"INTERNAL_FINDING"},"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-400","lang":"en","description":"CWE-400 Uncontrolled Resource Consumption"}]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-24T11:29:58.649315Z","id":"CVE-2026-21728","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-04-24T13:06:58.775Z"}}]}}