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TI-2026-82043 Aliases CVE-2026-103506GHSA-qr52-42rj-4mw4

Missing authorization in Grafana SSO settings exposes client secrets

Priority MEDIUM 40CWE-285Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · Low
Fix status
Partial Red Hat: 1 fixed, 6 without a fix

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-285.

Summary

Grafana OSS and Grafana Enterprise 13.2.0 through 13.2.4 are affected when the experimental kubernetesSsoSettingsApi feature toggle is enabled, which is disabled by default. A missing authorization check (CWE-285) lets an authenticated user with low privileges read SSO client secrets and modify instance-wide SSO settings without the required permissions.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

An authenticated user in Grafana can read SSO client secrets and modify instance-wide SSO settings without the required permissions (missing authorization). This affects Grafana OSS and Enterprise 13.2 installations with the experimental kubernetesSsoSettingsApi feature toggle enabled, which is disabled by default.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00269 19th percentileScored 2026-11-07
Fix Partial Red Hat: 2 advisoriesRed Hat: 1 fixed, 6 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GrafanaGrafana Enterprise13.2.0 – 13.2.4—No fix listedCNA
GrafanaGrafana OSS13.2.0 – 13.2.4—No fix listedCNA
  • Grafana Enterprise VendorGrafana Affected 13.2.0 – 13.2.4 Fixed in — No fix listed CNA
  • Grafana OSS VendorGrafana Affected 13.2.0 – 13.2.4 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*——Grafana
  • cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:* Versions — — ·Grafana

Remediation

The sources list no fixed version for Grafana OSS. The sources list no fixed version for Grafana Enterprise. Red Hat fixes Red Hat Hardened Images in RHSA-2026:91292 and RHSA-2026:91181. Red Hat lists Multicluster Global Hub as affected with no fix planned, and Red Hat Advanced Cluster Management for Kubernetes 2 and Red Hat Ceph Storage 7, 8 and 9 as affected with no fix available.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Red Hat 2 advisories

  • RHSA-2026:91292 Released 2026-10-27 · Red Hat rating Important
    Red Hat Hardened Images RPMs Security Update
    • Red Hat Hardened Images grafana12.4-12.4.13-0.5.hum1@aarch64, grafana12.4-12.4.13-0.5.hum1@src, grafana12.4-12.4.13-0.5.hum1@x86_64
  • RHSA-2026:91181 Released 2026-10-27 · Red Hat rating Important
    Red Hat Hardened Images RPMs Security Update
    • Red Hat Hardened Images grafana13.1-13.1.8-0.5.hum1@aarch64, grafana13.1-13.1.8-0.5.hum1@s390x, grafana13.1-13.1.8-0.5.hum1@src +1

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Multicluster Global HubAffectedNo fix planned: Will not fix
Red Hat Advanced Cluster Management for Kubernetes 2AffectedNo fix yet
Red Hat Ceph Storage 7AffectedNo fix yet: Fix deferred
Red Hat Ceph Storage 8AffectedNo fix yet: Fix deferred
Red Hat Ceph Storage 9AffectedNo fix yet: Fix deferred
Red Hat Hardened ImagesAffectedNo fix yet
Red Hat Hardened ImagesFixed RHSA-2026:91181, RHSA-2026:91292
Not affected: 4 products
  • Red Hat Enterprise Linux 10
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9
  • Red Hat Hardened Images

Timeline

  1. 2026-10-28 Threatist record created from CVE-2026-103506
  2. 2026-10-28 Alias added: GHSA-qr52-42rj-4mw4
  3. 2026-10-30 Priority changed: MEDIUM → LOW
  4. 2026-10-30 Affected versions changed · Red Hat
  5. 2026-10-30 CVSS score added · Red Hat
  6. 2026-10-30 Fix available: RHSA-2026:91292 · Red Hat
  7. 2026-10-30 Fix available: RHSA-2026:91181 · Red Hat
  8. 2026-10-30 Fix available: Red Hat Hardened Images · Red Hat
  9. 2026-11-04 Affected versions changed · Red Hat
  10. 2026-11-05 Affected versions changed · Red Hat
  11. 2026-11-05 CISA SSVC decision points changed
  12. 2026-11-05 Priority changed: LOW → MEDIUM

References

Advisory 1

  • TI-2021-16611 Snapshot authentication bypass in grafana KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-19604 Grafana path traversal KEVCVSS 3.1HIGH 7.5
  • TI-2024-08600 Grafana SQL Expressions allow for remote code execution CVSS 4.0CRITICAL 9.4
  • TI-2023-02931 Authentication bypass by spoofing in Grafana CVSS 3.1CRITICAL 9.8
  • TI-2020-10491 The avatar feature in Grafana 3.0.1 through 7.0.1 has an SSRF Incorrect Access Control… CVSS 3.1HIGH 8.2
  • TI-2025-03662 Open redirect in Grafana CVSS 3.1HIGH 7.6
See all 174 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences