6.5
Medium
CVE-2026-88858 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.
CVSS 3.1 detail
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitable remotely over the network, with an ordinary account and without any user action; an attacker can seriously compromise confidentiality, integrity or availability.
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- Low
- Interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Grafana OSS 13.2 | 13.2.0 → 13.2.4 | No fix stated |
| Grafana OSS 13.1 | 13.1.0 → 13.1.8 | No fix stated |
| Grafana OSS 13.0 | 13.0.0 → 13.0.11 | No fix stated |
| Grafana OSS 12.4 | 12.4.0 → 12.4.13 | No fix stated |
| Grafana OSS 12.3 | 12.3.0 → 12.3.11 | No fix stated |
| Grafana OSS 12.0 | 12.0.0 → 12.2.10 | No fix stated |
| Grafana OSS 7.4 | 7.4.0 → 11.6.16 | No fix stated |
| Grafana Enterprise 13.2 | 13.2.0 → 13.2.4 | No fix stated |
| Grafana Enterprise 13.1 | 13.1.0 → 13.1.8 | No fix stated |
Show the 5 other branches Hide the 5 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| Grafana Enterprise 13.0 | 13.0.0 → 13.0.11 | No fix stated |
| Grafana Enterprise 12.4 | 12.4.0 → 12.4.13 | No fix stated |
| Grafana Enterprise 12.3 | 12.3.0 → 12.3.11 | No fix stated |
| Grafana Enterprise 12.0 | 12.0.0 → 12.2.10 | No fix stated |
| Grafana Enterprise 7.4 | 7.4.0 → 11.6.16 | No fix stated |
References
- grafana.com grafana.com
Timeline
- Published
- Last modified
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