Denial of service via unbounded request body size (Grafana Grafana OSS)

CVE-2026-33382
HIGH 7.5

At a glance

Source
NVD
EPSS
EPSS 0.39 % · percentile 33 ()
State
PUBLISHED
Published
Updated
Assigner
GRAFANA
NVD status
Analyzed

Description

Several Grafana API endpoints, some of them unauthenticated, do not limit the size of the request body before processing it. An attacker can send very large payloads that force excessive memory allocation, potentially exhausting memory and causing a denial of service.

Weaknesses (CWE)

  • CWE-400 — Uncontrolled Resource Consumption

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HGRAFANA
CVSS 3.1HIGH 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HNVD · security@grafana.com (Secondary)

European references

Affected configurations (NVD CPE)

Affected products

ProductVersions
Grafana · Grafana OSSaffected 11.6.0 ≤ 11.6.14 ; affected 12.2.0 ≤ 12.2.8 ; affected 12.3.0 ≤ 12.3.6 ; affected 12.4.0 ≤ 12.4.3 ; affected 13.0.0 ≤ 13.0.1

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD