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CVE-2026-103506— SSO settings authorization bypass

Quick assessment

Affected
Grafana Grafana Enterprise
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 Grafana 中，已认证用户可在未获得必要权限的情况下（缺少授权控制）读取单点登录（SSO）客户端密钥，并修改实例级别的 SSO 设置。此漏洞影响启用了实验性功能开关 的 Grafana OSS 和企业版 13.2 安装版本；该功能开关默认处于禁用状态。

CVSS 8.9 · High EPSS 0.27% · P19

Affected Version Matrix 2

VendorProduct Version RangeStatus
Grafana Grafana Enterprise 13.2.0≤ 13.2.4 affected
Grafana Grafana OSS 13.2.0≤ 13.2.4 affected
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I. Basic Information for CVE-2026-103506

Vulnerability Information
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Vulnerability Title
SSO settings authorization bypass
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Grafana Grafana Enterprise 13.2.0 ~ 13.2.4 -
Grafana Grafana OSS 13.2.0 ~ 13.2.4 -

II. Public POCs for CVE-2026-103506

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III. Intelligence Information for CVE-2026-103506

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Vendor Advisories for CVE-2026-103506 (1)

Same Patch Batch · Grafana · 2026-10-28 · 5 CVEs total

CVE-2026-100105 7.7 HIGH Alerting contact point authorization bypass via schema downgrade
CVE-2026-88967 7.7 HIGH Azure Monitor access token disclosure via SSRF
CVE-2026-88858 6.5 MEDIUM Server-side expression parser denial of service
CVE-2026-79656 6.0 MEDIUM OAuth and OIDC tokens written unredacted to server logs by the Generic OAuth, Google and G

IV. Related Vulnerabilities

Same product: Grafana Enterprise
Same vendor: Grafana
Same weakness: CWE-285