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.
Published: 2026-05-13
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Impact

A request to the Grafana plugin resources endpoint can cause unbounded memory allocation by reading the entire request body into memory. An authenticated user may exploit this to trigger an out‑of‑memory condition, potentially leading to a denial of service on the affected system. The vulnerability allows an authenticated user to deliberately consume all available memory, causing the Grafana process to terminate or become unresponsive.

Affected Systems

The affected product is Grafana OSS. No specific version range is provided in the advisory, so the issue may affect all versions of the open‑source Grafana platform until a patch is applied.

Risk and Exploitability

The CVSS score of 6.5 places this issue in the medium severity range. The EPSS score is not available, and the vulnerability is not listed in CISA's KEV catalog. Based on the description, it is inferred that the likely attack vector is network‑based, requiring an authenticated user to send a large request to the plugin resources endpoint. Exploitation requires only that the attacker has valid credentials to the Grafana deployment; no privilege escalation or additional system access is required.

Generated by OpenCVE AI on May 13, 2026 at 21:50 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Apply the latest vendor patch for Grafana OSS when it becomes available.
  • Configure Grafana or the front‑end reverse proxy to limit the maximum size of request bodies sent to the plugin resources endpoint, thereby preventing unchecked memory growth.
  • Enable monitoring and alerting for sudden increases in memory usage by the Grafana process, and consider implementing rate‑limiting for API requests to reduce the impact of a potential denial of service.

Generated by OpenCVE AI on May 13, 2026 at 21:50 UTC.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Thu, 14 May 2026 14:15:00 +0000

Type Values Removed Values Added
First Time appeared Grafana
Grafana grafana
Vendors & Products Grafana
Grafana grafana

Thu, 14 May 2026 13:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-770
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 13 May 2026 22:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-221

Wed, 13 May 2026 20:00:00 +0000

Type Values Removed Values Added
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.
Title Grafana plugin resources can lead to unbounded memory allocation
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GRAFANA

Published:

Updated: 2026-05-14T12:36:22.328Z

Reserved: 2026-02-27T07:16:12.219Z

Link: CVE-2026-28383

cve-icon Vulnrichment

Updated: 2026-05-14T12:36:08.072Z

cve-icon NVD

Status : Received

Published: 2026-05-13T20:16:20.130

Modified: 2026-05-14T13:16:17.063

Link: CVE-2026-28383

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-14T14:00:19Z

Weaknesses