CVE-2023-3128
Grafana is validating Azure AD accounts based on the email claim. On Azure AD, the profile email field is not unique and can be easily modified. This leads...
- Published
- Jun 22, 2023
- Updated
- Feb 13, 2025
- Assigning CNA
- GRAFANA
- Evidence observed
- Aug 4, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HLow · next 30 days
- Percentile
- 90.1%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Grafana is validating Azure AD accounts based on the email claim. On Azure AD, the profile email field is not unique and can be easily modified. This leads to account takeover and authentication bypass when Azure AD OAuth is configured with a multi-tenant app.
Sources
1- CVE-2023-3128Scanner
Python script to detect CVE-2023-3128 authentication bypass in Grafana via Azure AD email claim validation. Checks Azure AD SSO configuration and reports potential vulnerability.
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