CVE-2026-107509
Memory exhaustion denial of service in SQL Expressions
A user with the Viewer role can make Grafana allocate an unbounded amount of memory, and crash it, with a single SQL Expression query that casts a value to a very large BINARY length (memory allocation with excessive size value).
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| Grafana OSS Grafana |
≥ 13.1.0; ≤ 13.1.9 (affected, semver) ≥ 13.2.0; ≤ 13.2.5 (affected, semver) ≥ 13.3.0; ≤ 13.3.0 (affected, semver) Other versions: unaffected |
CNA: GRAFANA |
| Grafana Enterprise Grafana |
≥ 13.1.0; ≤ 13.1.9 (affected, semver) ≥ 13.2.0; ≤ 13.2.5 (affected, semver) ≥ 13.3.0; ≤ 13.3.0 (affected, semver) Other versions: unaffected |
CNA: GRAFANA |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 6.5 medium |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | CNA: GRAFANA |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://grafana.com/security/security-advisories/cve-2026-107509CNA: GRAFANA · vendor-advisory
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