UBUNTU-CVE-2026-88858
Dashboard / Vulnerabilities / UBUNTU-CVE-2026-88858
Summary:
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.
References: https://ubuntu.com/security/CVE-2026-88858, https://www.cve.org/CVERecord?id=CVE-2026-88858, https://grafana.com/security/security-advisories/cve-2026-88858
Affected packages
Package
Name: grafana
Purl: pkg:deb/ubuntu/grafana?arch=source&distro=xenial
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -None
Affected versions
2.6.0+dfsg-1
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
