CVE-2026-88858
Published:October 28, 2026
Updated:October 29, 2026
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.
Affected Packages
https://github.com/grafana/grafana.git (GITHUB):
Affected version(s) >=v7.4.0 <v12.4.14Fix Suggestion:
Update to version v12.4.14https://github.com/grafana/grafana.git (GITHUB):
Affected version(s) >=v13.1.0 <v13.1.9Fix Suggestion:
Update to version v13.1.9https://github.com/grafana/grafana.git (GITHUB):
Affected version(s) >=v13.0.0 <v13.0.12Fix Suggestion:
Update to version v13.0.12https://github.com/grafana/grafana.git (GITHUB):
Affected version(s) >=v13.2.0 <v13.2.5Fix Suggestion:
Update to version v13.2.5Related Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH