{"identifier":"CVE-2026-88858","cve":{"id":"CVE-2026-88858","description":"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.","published":"2026-10-28T17:18:45.967000+00:00","modified":"2026-10-29T15:29:45.363000+00:00","status":"Awaiting Analysis","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvss_version":"3.1","affected":[],"weaknesses":["CWE-20","CWE-400","CWE-674"],"references":[{"url":"https://grafana.com/security/security-advisories/cve-2026-88858","source":"security@grafana.com"}],"kev":null,"kev_checked":true,"metrics":{"cvssMetricV31":[{"source":"security@grafana.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":3.6}]},"configurations":[],"source":"nvd","retrieved_at":"2026-10-29T17:33:59.449170+00:00","exploited":false,"kev_stale":false,"products":[],"priority":{"label":"Assess exposure and vendor guidance","reasons":["No higher-priority signal is available in the current stored evidence."]},"epss":{"probability":0.00339,"percentile":0.27344,"date":"2026-10-29","stale":false},"version_assessment":null},"news":[],"campaigns":[],"domains":[{"domain":"grafana.com","source_url":"https://grafana.com/security/security-advisories/cve-2026-88858","investigate_url":"https://investigate.aeglixmind.com/#grafana.com"}],"arsenal_url":"https://arsenal.aeglixmind.com/?cve=CVE-2026-88858","catalog_url":"https://cves.aeglixmind.com/cve/CVE-2026-88858","research_url":"https://investigate.aeglixmind.com/research/cve/CVE-2026-88858","coverage":{"news_candidates_checked":0,"campaign_candidates_checked":0,"bounded":false,"notice":"Exact CVE mentions in stored public excerpts and reviewed campaign content only. A mention is not proof of exploitation, attribution or tool suitability. Missing matches do not establish absence."}}