Red Hat Security Advisory: grafana security update
Affects Red Hat grafanaSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 7.1 High · fixed in Red Hat package updates : patch Red Hat grafana soon.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 20% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 13.1.4, 13.0.7, 12.4.9 +1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 19 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: 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 26 Oct 2026.
What to do
Upgrade Grafana to 13.1.4, 13.0.7, 12.4.9 or 12.3.11.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| GrafanaGrafana OSS | Affected
| Fixed in
|
| GrafanaGrafana OSS | Affected
| Fixed in
|
| GrafanaGrafana OSS | Affected
| Fixed in
|
| GrafanaGrafana OSS | Affected
| Fixed in
|
| GrafanaGrafana Enterprise | Affected
| Fixed in
|
| GrafanaGrafana Enterprise | Affected
| Fixed in
|
Description
Grafana is an open source, feature rich metrics dashboard and graph editor for Graphite, InfluxDB & OpenTSDB. Security Fix(es): * grafana: Grafana: Information disclosure vulnerability in Unified Alerting (CVE-2026-17183) * net/http: golang: golang: Denial of Service via crafted HTTP Range headers (CVE-2026-78667) * crypto/tls: golang: crypto/tls: Denial of Service via multiple ECH outer extension references (CVE-2026-97031) * net/http: net/http/internal/http2: golang.org/x/net/http2: net/http: Denial of Service via excessive HTTP/2 SETTINGS frames (CVE-2026-78669) * crypto/x509: golang: crypto/x509: Man-in-the-middle attacks via untrusted intermediate certificates (CVE-2026-111943) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
References
- access.redhat.com/errata/RHSA-2026:89744 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2519801 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2548334 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2548336 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2548344 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2556068 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_89744.json (opens in a new tab)