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CVE-2026-21720VulnerabilityPublished Updated

Grafana: Mehrere Schwachstellen

Affects Bundesamt für Sicherheit in der Informationstechnik GrafanaSource GCVE Database

0

Mentioned vulnerabilities

Authoritative record:CVE-2026-21720· High 7.5

Not known to be exploited · CVSS 7.5 High · fixed in 11.6.9 : patch Bundesamt für Sicherheit in der Informationstechnik Grafana soon.

Data as of 27 Oct 2026, 01:06 UTC

CVSS 3.1 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.
Patch
Available – fixed in 11.6.9, 12.0.8, 12.1.5 +2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 27 Jan 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: 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 26 Oct 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
Grafanagrafana/grafana-enterpriseAffected
  • >=3.0.0 <11.6.9
Fixed in
  • 11.6.9
Grafanagrafana/grafana-enterpriseAffected
  • >=3.0.0 <12.0.8
Fixed in
  • 12.0.8
Grafanagrafana/grafana-enterpriseAffected
  • >=3.0.0 <12.1.5
Fixed in
  • 12.1.5
Grafanagrafana/grafanaAffected
  • >=3.0.0 <11.6.9
Fixed in
  • 11.6.9
Grafanagrafana/grafanaAffected
  • >=3.0.0 <12.0.8
Fixed in
  • 12.0.8
Grafanagrafana/grafanaAffected
  • >=3.0.0 <12.1.5
Fixed in
  • 12.1.5

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

A security update is available in Grafana version 12.3.1+security-01 that addresses these vulnerabilities. Users should apply this update promptly. Refer to the Red Hat advisory RHSA-2026:2914 and the linked update instructions for detailed remediation steps.

Description

Multiple security vulnerabilities have been identified in Grafana, an open-source analytics and visualization software. These include issues such as denial of service due to excessive resource consumption via crafted certificates, dashboard permissions scope bypass enabling cross-dashboard privilege escalation, excessive CPU consumption during archive index building, memory exhaustion in query parameter parsing, and unexpected session resumption in TLS. A security update addressing these vulnerabilities is available in Grafana version 12.3.1+security-01.

References

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