Vulnerability · Published May 13, 2026 · Assigned by GRAFANA
CVE-2026-28383Grafana plugin resources can lead to unbounded memory allocation
Medium 6.5
In plain English
A medium-severity resource allocation without limits in Grafana OSS from Grafana. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 73.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A request to the Grafana plugin resources endpoint can cause unbounded memory allocation by reading the entire request body into memory. An authenticated user can exploit this to trigger an out-of-memory condition, potentially causing a denial of service.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Grafana | Grafana OSS | 6.7.0 – through 11.6.1411.6.14 – before 11.6.14+security-0412.0.0 – through 12.2.812.2.8 – before 12.2.8+security-0412.3.0 – through 12.3.612.3.6 – before 12.3.6+security-0412.4.0 – through 12.4.312.4.3 – before 12.4.3+security-02 |
Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
References
- https://grafana.com/security/security-advisories/cve-2026-28383 vendor-advisory