{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-88858","assignerOrgId":"57da9224-a3e2-4646-9d0e-c4dc2e05e7da","state":"PUBLISHED","assignerShortName":"GRAFANA","dateReserved":"2026-09-10T10:30:46.142Z","datePublished":"2026-10-28T16:50:17.291Z","dateUpdated":"2026-10-28T16:50:17.291Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Grafana OSS","vendor":"Grafana","versions":[{"lessThanOrEqual":"11.6.16","status":"affected","version":"7.4.0","versionType":"semver"},{"lessThanOrEqual":"12.2.10","status":"affected","version":"12.0.0","versionType":"semver"},{"lessThanOrEqual":"12.3.11","status":"affected","version":"12.3.0","versionType":"semver"},{"lessThanOrEqual":"12.4.13","status":"affected","version":"12.4.0","versionType":"semver"},{"lessThanOrEqual":"13.0.11","status":"affected","version":"13.0.0","versionType":"semver"},{"lessThanOrEqual":"13.1.8","status":"affected","version":"13.1.0","versionType":"semver"},{"lessThanOrEqual":"13.2.4","status":"affected","version":"13.2.0","versionType":"semver"}]},{"defaultStatus":"unaffected","product":"Grafana Enterprise","vendor":"Grafana","versions":[{"lessThanOrEqual":"11.6.16","status":"affected","version":"7.4.0","versionType":"semver"},{"lessThanOrEqual":"12.2.10","status":"affected","version":"12.0.0","versionType":"semver"},{"lessThanOrEqual":"12.3.11","status":"affected","version":"12.3.0","versionType":"semver"},{"lessThanOrEqual":"12.4.13","status":"affected","version":"12.4.0","versionType":"semver"},{"lessThanOrEqual":"13.0.11","status":"affected","version":"13.0.0","versionType":"semver"},{"lessThanOrEqual":"13.1.8","status":"affected","version":"13.1.0","versionType":"semver"},{"lessThanOrEqual":"13.2.4","status":"affected","version":"13.2.0","versionType":"semver"}]}],"credits":[{"lang":"en","type":"finder","value":"Mukul Goyal"}],"datePublic":"2026-10-27T00:00:00.000Z","descriptions":[{"lang":"en","value":"A user with the Viewer role in Grafana can crash the server by submitting a crafted server-side math expression (uncontrolled recursion). A user with permission to provision alert rules can make the outage persist across restarts."}],"metrics":[{"cvssV3_1":{"baseScore":6.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-674","description":"CWE-674","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-20","description":"CWE-20","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-400","description":"CWE-400","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"57da9224-a3e2-4646-9d0e-c4dc2e05e7da","shortName":"GRAFANA","dateUpdated":"2026-10-28T16:50:17.291Z"},"references":[{"tags":["vendor-advisory"],"url":"https://grafana.com/security/security-advisories/cve-2026-88858"}],"source":{"discovery":"EXTERNAL_REPORT"},"title":"Server-side expression parser denial of service"}}}