CVE-2023-3128
CRITICALGrafana - Auth Bypass
Title source: llmDescription
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.
Exploits (1)
Scores
CVSS v3
9.4
EPSS
0.0188
EPSS Percentile
82.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Classification
CWE
CWE-290
Status
published
Affected Products (3)
grafana/grafana
< 8.5.27
grafana/grafana
< 8.5.27
grafana/grafana
< 9.4.13Go
Timeline
Published
Jun 22, 2023
Tracked Since
Feb 18, 2026