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01 Record

CVE-2026-33378

Grafana Data Source Plugin: DoS (OOM) via Negative Interval Injection in $__timeGroup Macro

MediumPUBLISHEDCNA: GRAFANA
CNA base score6.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

02 Description

Grafana Data Source Plugin: DoS (OOM) via Negative Interval Injection in $__timeGroup Macro

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.32% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 25.7% of scored records. A rank, not a probability.
NVD base score
6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Analyzed. NVD last modified this record on 2026-10-26.
Red Hat severity
Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-05-13 19:28Z5 MO AGO
Last updated
2026-08-27 17:22Z2 MO AGO
Reserved
2026-03-19
Assigning CNA
GRAFANA
Record state
PUBLISHED
Severity
Medium (CVSS 6.5)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
  • CWE-400Uncontrolled Resource ConsumptionClass
  • CWE-770Allocation of Resources Without Limits or ThrottlingBase
Data version
5.2
Document digest
ce42eae404803fefb0ce532ce66c5b61eceeb31603490d55de056006845a9fda

05 Affected products

VendorProductVersionsPlatforms
GrafanaGrafana OSS8.0.0 to 11.6.14, 11.6.14 to < 11.6.14+security-04, 12.0.0 to 12.2.8, 12.2.8 to < 12.2.8+security-04, 12.3.0 to 12.3.6, 12.3.6 to < 12.3.6+security-04, 12.4.0 to 12.4.3, 12.4.3 to < 12.4.3+security-02, 13.0.0 to 13.0.1, 13.0.1 to < 13.0.1+security-01—

06 References

07 Fixed in

Ubuntu 16.04 LTS

  • grafana
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.