CVE-2026-88858
Server-side expression parser denial of service
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-674 CWE-20 CWE-400 |
| Vendor | grafana |
| Product | grafana oss |
| Ecosystems | |
| Industries | Technology |
| Published | Oct 28, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Grafana / Grafana OSS
7.4.0 ≤ 11.6.16 12.0.0 ≤ 12.2.10 12.3.0 ≤ 12.3.11 12.4.0 ≤ 12.4.13 13.0.0 ≤ 13.0.11 13.1.0 ≤ 13.1.8 13.2.0 ≤ 13.2.4
Grafana / Grafana Enterprise
7.4.0 ≤ 11.6.16 12.0.0 ≤ 12.2.10 12.3.0 ≤ 12.3.11 12.4.0 ≤ 12.4.13 13.0.0 ≤ 13.0.11 13.1.0 ≤ 13.1.8 13.2.0 ≤ 13.2.4
References
Credits
Mukul Goyal