{"affected":[{"defaultStatus":"unaffected","product":"Grafana OSS","source":"CNA: GRAFANA","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","source":"CNA: GRAFANA","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"}]}],"cveId":"CVE-2026-88858","cwes":["CWE-674","CWE-20","CWE-400"],"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.","epss":{"date":"2026-11-05","percentile":0.27524,"score":0.00339},"exploits":[],"kev":null,"metrics":[{"score":6.5,"severity":"medium","source":"CNA: GRAFANA","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}],"modifiedAt":1793899150148,"publishedAt":1793206217291,"references":[{"source":"CNA: GRAFANA","tags":["vendor-advisory"],"url":"https://grafana.com/security/security-advisories/cve-2026-88858"}],"remediation":[],"revision":"c633a7c756d82525f949965394f6ab90a327bb015c09a8e12a684135ecbfc8ce","sources":[{"modifiedAt":1793899150148,"name":"CNA: GRAFANA","retrievedAt":1793902274473,"url":"https://www.cve.org/CVERecord?id=CVE-2026-88858"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793902284789,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-88858"}],"ssvc":{"assessedAt":1793899119280,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"Server-side expression parser denial of service","updatedAt":1793902284789}