Improper access control in Grafana - CVE-2026-33377
Published: May 18, 2026
Vulnerability identifier: #VU131638
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-33377
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Grafana Labs
Affected software:
Grafana
Grafana
Detailed vulnerability description
The vulnerability allows a remote user to escalate privileges on a specific dashboard.
The vulnerability exists due to improper access control in the dashboard import functionality when importing a dashboard with write access to an existing dashboard. A remote user can overwrite a dashboard not owned by them to escalate privileges on that specific dashboard.
The user must have write access to the dashboard to exploit this issue.
How to mitigate CVE-2026-33377
Install security update from vendor's website.