{"id":"CVE-2026-88858","aliases":["ALPINE-CVE-2026-88858","EUVD-2026-112198","GHSA-8c7v-vg28-7vr8","UBUNTU-CVE-2026-88858"],"status":"published","title":"Server-side expression parser denial of service","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.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00381,"percentile":0.32555,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20","CWE-400","CWE-674"],"published":"2026-10-28T16:50:17Z","modified":"2026-11-04T22:30:02Z","fixes":[{"ecosystem":"Alpine:v3.24","package":"grafana","fixed_in":["12.4.14-r0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.24","package":"grafana","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"12.4.14-r0"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"grafana","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.6.0+dfsg-1"]}],"products":[{"vendor":"grafana","product":"grafana enterprise"},{"vendor":"grafana","product":"grafana oss"}],"references":[{"url":"https://grafana.com/security/security-advisories/cve-2026-88858","tags":["vendor-advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-88858"},{"url":"https://github.com/advisories/GHSA-8c7v-vg28-7vr8"},{"url":"https://security.alpinelinux.org/vuln/CVE-2026-88858","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-88858","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-88858","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-88858","title":"Server-side expression parser denial of service","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.","status":"published","published":"2026-10-28T16:50:17.291Z","modified":"2026-11-05T17:19:10.148Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-674","CWE-20","CWE-400"],"updated_at":"2026-11-05T18:54:21.089916Z"}],"euvd":[{"id":"EUVD-2026-112198","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.","status":"published","published":"2026-10-28T16:50:17Z","modified":"2026-11-05T17:19:10Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-05T18:00:57.218327Z"}],"ghsa":[{"id":"GHSA-8c7v-vg28-7vr8","title":"A user with the Viewer role in Grafana can crash the server by submitting a crafted server-side...","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.","status":"published","published":"2026-10-28T18:32:10Z","modified":"2026-10-28T18:32:15Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:14:35.861264Z"}],"nvd":[{"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.","status":"published","published":"2026-10-28T17:18:45.967Z","modified":"2026-11-05T18:17:10.407Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-20","CWE-400","CWE-674"],"updated_at":"2026-11-05T19:56:09.269023Z"}],"osv":[{"id":"ALPINE-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.","status":"published","published":"2026-10-28T17:18:45.967Z","modified":"2026-11-04T22:30:02.919350421Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-04T22:39:43.298532Z"},{"id":"UBUNTU-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.","status":"published","published":"2026-10-28T17:18:00Z","modified":"2026-11-05T04:36:16Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-05T13:33:42.748455Z"}]}}