{"id":"UBUNTU-CVE-2026-88858","details":"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.","modified":"2026-10-29T20:03:22.880342828Z","published":"2026-10-29T00:00:00Z","upstream":["CVE-2026-88858"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-88858"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-88858"},{"type":"REPORT","url":"https://grafana.com/security/security-advisories/cve-2026-88858"}],"affected":[{"package":{"name":"grafana","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/grafana?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.6.0+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.6.0+dfsg-1","binary_name":"grafana"},{"binary_version":"2.6.0+dfsg-1","binary_name":"grafana-data"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-88858.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}