Server-side expression parser denial of service (Grafana Grafana OSS)

CVE-2026-88858
MEDIUM 6.5

At a glance

Source
NVD
EPSS
EPSS 0.34 % · percentile 27 ()
State
PUBLISHED
Published
Updated
Assigner
GRAFANA
NVD status
Awaiting Analysis

Description

A user with the Viewer role in Grafana can crash the server by submitting a crafted server-side math expression (uncontrolled recursion). A user with permission to provision alert rules can make the outage persist across restarts.

Weaknesses (CWE)

  • CWE-674 — Uncontrolled Recursion
  • CWE-20 — Improper Input Validation
  • CWE-400 — Uncontrolled Resource Consumption

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HGRAFANA
CVSS 3.1MEDIUM 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · security@grafana.com (Secondary)

European references

Affected products

ProductVersions
Grafana · Grafana OSSaffected 7.4.0 ≤ 11.6.16 ; affected 12.0.0 ≤ 12.2.10 ; affected 12.3.0 ≤ 12.3.11 ; affected 12.4.0 ≤ 12.4.13 ; affected 13.0.0 ≤ 13.0.11 ; affected 13.1.0 ≤ 13.1.8
Grafana · Grafana Enterpriseaffected 7.4.0 ≤ 11.6.16 ; affected 12.0.0 ≤ 12.2.10 ; affected 12.3.0 ≤ 12.3.11 ; affected 12.4.0 ≤ 12.4.13 ; affected 13.0.0 ≤ 13.0.11 ; affected 13.1.0 ≤ 13.1.8

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