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 12 Nov 2026, 06:51 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 9.8 Extended Update Support to fix these vulnerabilities. Users should apply these official updates as described in the Red Hat advisory (https://access.redhat.com/articles/11258) to remediate the issues. No additional mitigation steps are indicated beyond applying the update.
Description
Red Hat has issued a security advisory for Grafana addressing two vulnerabilities. The first (CVE-2026-88967) involves the Azure Monitor data source potentially leaking its Azure access token. The second (CVE-2026-116591) is a denial of service vulnerability in the klauspost/compress zstd compression library via crafted input. These issues affect Red Hat Enterprise Linux 9.8 Extended Update Support and related variants. Updates are available to remediate these vulnerabilities.
References
- access.redhat.com/errata/RHSA-2026:99151 (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_99151.json (opens in a new tab)