Red Hat Security Advisory: grafana security update
Affects Red Hat grafanaSource GCVE Database
Mentioned vulnerabilities
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
Thin evidence
One scorer or none| CNA (GRAFANA) | CVSS 3.1 | 7.7 |
|---|
- Patch
- Available
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 28 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
| GrafanaGrafana Enterprise | Affected
| Fixed in– |
| GrafanaGrafana OSS | Affected
| 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
- access.redhat.com/errata/RHSA-2026:98541 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2554113 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2561461 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_98541.json (opens in a new tab)