{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-8609","assignerOrgId":"57da9224-a3e2-4646-9d0e-c4dc2e05e7da","state":"PUBLISHED","assignerShortName":"GRAFANA","dateReserved":"2026-05-14T16:01:42.297Z","datePublished":"2026-07-10T14:58:33.522Z","dateUpdated":"2026-08-19T19:03:20.508Z"},"containers":{"cna":{"providerMetadata":{"orgId":"57da9224-a3e2-4646-9d0e-c4dc2e05e7da","shortName":"GRAFANA","dateUpdated":"2026-08-19T19:03:20.508Z"},"datePublic":"2026-06-09T00:00:00.000Z","title":"Pre-authentication denial of service via the OAuth login route","descriptions":[{"lang":"en","value":"An unauthenticated attacker can repeatedly call Grafana's OAuth login route with unique values, causing unbounded memory growth that can eventually exhaust memory and crash the Grafana instance (denial of service)."}],"affected":[{"vendor":"Grafana","product":"Grafana OSS","defaultStatus":"unaffected","versions":[{"version":"11.6.0","status":"affected","versionType":"semver","lessThanOrEqual":"11.6.14"},{"version":"12.2.0","status":"affected","versionType":"semver","lessThanOrEqual":"12.2.8"},{"version":"12.3.0","status":"affected","versionType":"semver","lessThanOrEqual":"12.3.6"},{"version":"12.4.0","status":"affected","versionType":"semver","lessThanOrEqual":"12.4.3"},{"version":"13.0.0","status":"affected","versionType":"semver","lessThanOrEqual":"13.0.1"}]}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-400","cweId":"CWE-400","type":"CWE"}]}],"references":[{"url":"https://grafana.com/security/security-advisories/cve-2026-8609","tags":["vendor-advisory"]}],"metrics":[{"cvssV3_1":{"version":"3.1","baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}}],"credits":[{"lang":"en","value":"cyberjoker (Researcher)","type":"finder"}],"source":{"discovery":"BUG_BOUNTY"},"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":"2026-07-10T15:53:40.169487Z","id":"CVE-2026-8609","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":"2026-07-10T15:53:51.365Z"}}]}}