CVE-2026-33378
CVE-2026-33378 · Grafana Data Source Plugin: DoS (OOM) via Negative Interval Injection in $__timeGroup Macro
This page contains facts from public vulnerability sources. Check the original advisory before updating.
Using the $__timeGroup macro, one can achieve an OOM by overloading the server. This requires a SQL datasource. If the server is set up to auto-restart, the impact is minimal or non-existent, as the attack can take upwards of half an hour to crash the server.
CVSS 6.5 · Medium · EPSS 0.3%
- Published
- Updated
Stack: system · applications
Affected products and versions
grafana
- Versions
- ≥ 8.0.0, ≤ 11.6.14: Affected (semver)
- ≥ 11.6.14, < 11.6.14+security-04: Affected (custom)
- ≥ 12.0.0, ≤ 12.2.8: Affected (semver)
- ≥ 12.2.8, < 12.2.8+security-04: Affected (custom)
- ≥ 12.3.0, ≤ 12.3.6: Affected (semver)
- ≥ 12.3.6, < 12.3.6+security-04: Affected (custom)
- ≥ 12.4.0, ≤ 12.4.3: Affected (semver)
- ≥ 12.4.3, < 12.4.3+security-02: Affected (custom)
- ≥ 13.0.0, ≤ 13.0.1: Affected (semver)
- ≥ 13.0.1, < 13.0.1+security-01: Affected (custom)
No fix published
grafana Ubuntu:16.04:LTS
- Versions
- 2.6.0+dfsg-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published