Description
The Grafana MSSQL data source plugin contains a logic flaw that allows a low-privileged user (Viewer) to bypass API restrictions and trigger a catastrophic Out-Of-Memory (OOM) memory exhaustion, crashing the host container.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Grafana | Grafana OSS | 11.6.0 – < 11.6.14+security-01, 12.1.0 – < 12.1.10+security-01, 12.2.0 – < 12.2.8+security-01, 12.3.0 – < 12.3.6+security-01, 12.4.0 – < 12.4.2 | 11.6.14+security-01 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | grafana | 11.6.14+security01-1.1 | openSUSE-SU-2026:10601-1 |
| openSUSE Leap 16.0 | grafana | 11.6.14+security04-bp160.1.1 | openSUSE-SU-2026:20940-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | grafana | 12.4.3-r0 | — |
| Alpine v3.23 | grafana | 12.2.8-r0 | — |
Advisories 3
- openSUSE-SU-2026:20940-1 Security update for grafana SUSE / openSUSE Security Updates · Jun 13, 2026
- WID-SEC-2026-0886 Grafana: Mehrere Schwachstellen ermöglichen Manipulation von Dateien und DoS BSI CERT-Bund (WID) · Jun 4, 2026
- openSUSE-SU-2026:10601-1 grafana-11.6.14+security01-1.1 on GA media SUSE / openSUSE Security Updates · Apr 23, 2026
References
- https://grafana.com/security/security-advisories/cve-2026-33375 vendor-advisory