{"action":"Upgrade github.com/grafana/tempo to 2.8.4 or later.","affected":[{"fixed":"2.8.4","introduced":"1.3.0"},{"fixed":"2.9.2","introduced":"2.9.0"},{"fixed":"2.10.2","introduced":"2.10.0"}],"component":"github.com/grafana/tempo","cve_ids":["CVE-2026-21728"],"ecosystem":"Go","epss":0.00637,"exploited":false,"fixed_versions":["2.8.4","2.9.2","2.10.2"],"ghsa_id":"GHSA-p4r4-xvrq-gvmc","id":"tcs_01M5KFGW4B5W83CFF06AZF3BF1","modified_at":"2026-09-10T03:50:44.808071031Z","published_at":"2026-04-24T09:30:30Z","references":["https://osv.dev/vulnerability/GHSA-p4r4-xvrq-gvmc","https://nvd.nist.gov/vuln/detail/CVE-2026-21728","https://github.com/grafana/tempo/pull/6525","https://github.com/grafana/tempo/commit/650eb1985a0776789c8564122990f588a742356f","https://github.com/grafana/tempo","https://github.com/grafana/tempo/blob/4dc3e5b0d3463a0b67498b662b85a148698b4afd/docs/sources/tempo/release-notes/version-2/v2-10.md?plain=1#L328","https://github.com/grafana/tempo/blob/4dc3e5b0d3463a0b67498b662b85a148698b4afd/docs/sources/tempo/release-notes/version-2/v2-8.md?plain=1#L251","https://github.com/grafana/tempo/blob/4dc3e5b0d3463a0b67498b662b85a148698b4afd/docs/sources/tempo/release-notes/version-2/v2-9.md?plain=1#L224","https://grafana.com/security/security-advisories/cve-2026-21728"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-p4r4-xvrq-gvmc","url":"https://osv.dev/vulnerability/GHSA-p4r4-xvrq-gvmc"}],"summary":"Grafana Tempo has an Uncontrolled Resource Consumption issue"}