Description
The Prometheus rule conversion API endpoints in Grafana do not limit request body size, allowing authenticated users to trigger unbounded memory allocations that can crash the server through out-of-memory conditions.
Published: 2026-10-13
Score: 6.5 Medium
EPSS: n/a
KEV: No
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Remediation

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History

Tue, 13 Oct 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Tue, 13 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Description The Prometheus rule conversion API endpoints in Grafana do not limit request body size, allowing authenticated users to trigger unbounded memory allocations that can crash the server through out-of-memory conditions.
Title Unbounded memory allocation in the Prometheus rule conversion API
Weaknesses CWE-400
CWE-770
CWE-789
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'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: GRAFANA

Published:

Updated: 2026-10-13T19:21:25.512Z

Reserved: 2026-03-19T07:55:06.977Z

Link: CVE-2026-33374

cve-icon Vulnrichment

Updated: 2026-10-13T19:21:22.099Z

cve-icon NVD

Status : Received

Published: 2026-10-13T18:17:23.720

Modified: 2026-10-13T20:17:28.793

Link: CVE-2026-33374

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-13T19:00:06Z

Weaknesses
  • CWE-400

    Uncontrolled Resource Consumption

  • CWE-770

    Allocation of Resources Without Limits or Throttling

  • CWE-789

    Memory Allocation with Excessive Size Value