Grafana OSS/Enterprise search actionPrefix privileges management

Summaryinfo

A vulnerability marked as problematic has been reported in Grafana OSS and Enterprise. This affects an unknown function of the file /api/access-control/users/permissions/search. This manipulation of the argument actionPrefix causes privileges management. This vulnerability is registered as CVE-2026-11817. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability classified as problematic was found in Grafana OSS and Enterprise (the affected version is unknown). Affected by this vulnerability is an unknown code of the file /api/access-control/users/permissions/search. The manipulation of the argument actionPrefix with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality. The summary by CVE is:

This vulnerability only affects Grafana stacks configured with multiple organizations; single-organization deployments are not impacted. In a multi-organization stack, a user who is an Org Admin of a single organization can call GET /api/access-control/users/permissions/search?actionPrefix=dashboards: and receive permission data belonging to other organizations. The disclosed data is limited to dashboard and folder identifiers (UIDs) and per-user permission/scope mappings (which user holds which access on which dashboard). Dashboard contents, panels, query results, datasource credentials, secrets, and personal data are not exposed. This is a limited cross-organization information disclosure affecting multi-org deployments only.

The advisory is shared at grafana.com. This vulnerability is known as CVE-2026-11817 since 06/09/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation requires an enhanced level of successful authentication. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/17/2026). MITRE ATT&CK project uses the attack technique T1068 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• Grafana

Name

• Enterprise
• OSS

License

• open-source

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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