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CVE-2026-8609VulnerabilityPublished

Red Hat Security Advisory: grafana security update

Affects Red Hat grafanaSource GCVE Database

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Mentioned vulnerabilities

Authoritative record:CVE-2026-8609· Medium 5.3

Not known to be exploited · CVSS 5.3 Medium.

Data as of 30 Oct 2026, 00:18 UTC

CVSS 3.1 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Jul 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
GrafanaGrafana OSSAffected
  • >=11.6.0 <=11.6.14
  • >=12.2.0 <=12.2.8
  • >=12.3.0 <=12.3.6
  • >=12.4.0 <=12.4.3
  • >=13.0.0 <=13.0.1
Fixed in–

AI-suggested

Red Hat has released security updates for Grafana in Red Hat Enterprise Linux 9 and its Extended Update Support versions to fix these vulnerabilities. Users should apply the available Red Hat Enterprise Linux 9 updates, including the grafana-10.2.6-23.el9_8.4 package or later, to remediate these issues. Refer to Red Hat's official advisory RHSA-2026:90811 and the update instructions at https://access.redhat.com/articles/11258 for detailed guidance. No additional mitigation actions are required beyond applying the official patches.

Description

Two denial of service vulnerabilities were identified in Grafana, an open source metrics dashboard and graph editor. The first vulnerability (CVE-2026-8609) involves unbounded memory growth in the OAuth login route. The second (CVE-2026-33382) involves excessive memory allocation from large API request payloads. These issues could cause Grafana to consume excessive memory, potentially leading to service disruption. Red Hat has issued a security update for Grafana in Red Hat Enterprise Linux 9 to address these vulnerabilities.

References

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