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CVE-2026-88967VulnerabilityPublished

Red Hat Security Advisory: grafana security update

Affects Red Hat grafanaSource GCVE Database

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Mentioned vulnerabilities

Authoritative record:CVE-2026-88967· High 7.7

Not known to be exploited · CVSS 7.7 High · patch available : patch Red Hat grafana soon.

Data as of 11 Nov 2026, 11:53 UTC

CVSS 3.1 base score
7.7High
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (GRAFANA)CVSS 3.17.7
Patch
Available
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 28 Oct 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 11 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
GrafanaGrafana EnterpriseAffected
  • >=10.0.0 <=11.6.16
  • >=12.0.0 <=12.2.10
  • >=12.3.0 <=12.3.11
  • >=12.4.0 <=12.4.13
  • >=13.0.0 <=13.0.11
  • >=13.1.0 <=13.1.8
  • >=13.2.0 <=13.2.4
Fixed in–
GrafanaGrafana OSSAffected
  • >=10.0.0 <=11.6.16
  • >=12.0.0 <=12.2.10
  • >=12.3.0 <=12.3.11
  • >=12.4.0 <=12.4.13
  • >=13.0.0 <=13.0.11
  • >=13.1.0 <=13.1.8
  • >=13.2.0 <=13.2.4
Fixed in–

AI-suggested

Red Hat has released updated Grafana packages for Red Hat Enterprise Linux 9 that address these vulnerabilities. Users should apply the provided updates (grafana-10.2.6-24.el9_9.8) to remediate the issues. Detailed update instructions are available at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated in the advisory.

Description

This security advisory from Red Hat addresses two vulnerabilities affecting Grafana and the klauspost/compress library. The first vulnerability (CVE-2026-88967) involves the Azure Monitor data source in Grafana potentially leaking its Azure access token. The second vulnerability (CVE-2026-116591) is a denial of service issue in the klauspost/compress zstd compression library triggered by crafted compressed input. Red Hat has released updates for Grafana in Red Hat Enterprise Linux 9 to fix these issues.

References

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