
CVE catalog
CVE-2026-33375
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, crash
- Severity
- Medium · CVSS 6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.45% · Oct 25, 2026
A flaw was found in the Grafana MSSQL Data Source Plugin. A low-privileged user, such as a Viewer, can exploit a logic flaw to bypass API restrictions. This allows them to trigger a catastrophic Out-Of-Memory (OOM) memory exhaustion, leading to the crashing of the host container. This vulnerability can result in a Denial of Service (DoS) for the affected system. Grafana MSSQL Data Source Plugin: Grafana MSSQL Data Source Plugin: Denial of Service via Out-Of-Memory exhaustion The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | grafana | Not reported | 11.6.14 | fixed |
| Cpe | grafana | Not reported | 12.1.10 | fixed |
| Cpe | grafana | Not reported | 12.2.8 | fixed |
| Cpe | grafana | Not reported | 12.3.6 | fixed |
| Cpe | grafana | Not reported | 12.4.2 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Cpe | grafana | cpe | Not reported | 11.6.14 | Not reported | Not reported | Not reported |
| Cpe | grafana | cpe | Not reported | 12.1.10 | Not reported | Not reported | Not reported |
| Cpe | grafana | cpe | Not reported | 12.2.8 | Not reported | Not reported | Not reported |
| Cpe | grafana | cpe | Not reported | 12.3.6 | Not reported | Not reported | Not reported |
| Cpe | grafana | cpe | Not reported | 12.4.2 | Not reported | Not reported | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_10601-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-33375]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-33375.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0886.json]
[CERT-Bund public advisories] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]