Improper access control in Grafana - CVE-2026-11817
Published: August 18, 2026
Vulnerability identifier: #VU144036
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-11817
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to improper access control in the SearchUsersPermissions API endpoint when handling GET requests to /api/access-control/users/permissions/search?actionPrefix=dashboards:. A remote user can send a crafted request to disclose sensitive information.
Only multi-organization deployments are affected. The disclosed information is limited to dashboard and folder identifiers and per-user permission mappings across organizations.
Affected software
Grafana
How to mitigate CVE-2026-11817
Install security update from vendor's website.
Grafana - update to 13.1.1