CVE-2026-33375 PUBLISHED

Grafana MSSQL Data Source Plugin: Restriction Bypass Leading to OOM DoS

Assigner: GRAFANA
Reserved: 19.03.2026 Published: 26.03.2026 Updated: 27.03.2026

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.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS Score: 6.5

Product Status

Vendor Grafana
Product Grafana OSS
Versions Default: unaffected
  • affected from 11.6.0 to 11.6.14+security-01 (excl.)
  • affected from 12.1.0 to 12.1.10+security-01 (excl.)
  • affected from 12.2.0 to 12.2.8+security-01 (excl.)
  • affected from 12.3.0 to 12.3.6+security-01 (excl.)
  • affected from 12.4.0 to 12.4.2 (excl.)

References