cve.bz

CVE-2023-3128

9.8 criticalEPSS 4.0%

Critical (9.8) in grafana grafana. EPSS 4.0% chance of exploitation in the next 30 days. Fixed in github.com/grafana/grafana 8.5.27, 9.2.20, 9.3.16.

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.

Severity

CVSS 3.1

9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
4.0% chance of exploitation in the next 30 days; higher than 90% of CVEs (scores of 2026-10-31)
CWE
CWE-290
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-mpv3-g8m3-3fjcGogithub.com/grafana/grafana>=9.4.0 <9.4.139.4.13
GHSA-mpv3-g8m3-3fjcGogithub.com/grafana/grafana>=9.3.0 <9.3.169.3.16
GHSA-mpv3-g8m3-3fjcGogithub.com/grafana/grafana>=9.0.0 <9.2.209.2.20
GHSA-mpv3-g8m3-3fjcGogithub.com/grafana/grafana<8.5.278.5.27

References

Check your stackJSON