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OpenAdvisories
High RLSA-2026:54184 1 CVE

Important: grafana security update

Published Sep 16, 2026 · Updated Sep 16, 2026

Ecosystem: Rocky Linux

Summary

Grafana is an open source, feature rich metrics dashboard and graph editor for Graphite, InfluxDB & OpenTSDB.

Security Fix(es):

* grafana: Grafana: Denial of Service due to excessive memory allocation via large JSON payloads (CVE-2026-42127)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 9 grafana 0:10.2.6-23.el9_8.1

Vulnerabilities 1

  • High 7.5
    CVE-2026-42127

    Pre-authentication denial of service in the public dashboard query endpoint

    The public dashboard query endpoint does not limit request body size before processing, allowing unauthenticated attackers to trigger excessive memory allocation by sending arbitrarily large JSON payloads. This can lead to denial of service through memory exh…

    Grafana Grafana OSS Grafana Enterprise grafana Web / CMS Ubuntu Alpine Wolfi Go

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2491449
  • advisory
    https://access.redhat.com/errata/RHSA-2026:54184