CVE-2021-28147

The team sync HTTP API in Grafana Enterprise 6.x before 6.7.6, 7.x before 7.3.10, and 7.4.x before 7.4.5 has an Incorrect Access Control issue. On Grafana instances using an external authentication service and having the EditorsCanAdmin feature enabled, this vulnerability allows any authenticated user to add external groups to any existing team. This can be used to grant a user team permissions that the user isn't supposed to have.

• https://community.grafana.com/t/grafana-enterprise-6-7-6-7-3-10-and-7-4-5-security-update/44724Vendor Advisory
• https://community.grafana.com/t/release-notes-v6-7-x/27119Release Notes, Vendor Advisory
• https://grafana.com/blog/2021/03/18/grafana-6.7.6-7.3.10-and-7.4.5-released-with-important-security-fixes-for-grafana-enterprise/Release Notes, Vendor Advisory
• https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-3-10/Release Notes, Vendor Advisory
• https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-4-5/Release Notes, Vendor Advisory
• https://grafana.com/products/enterprise/Product, Vendor Advisory
• https://security.netapp.com/advisory/ntap-20210430-0005/Third Party Advisory
• https://www.openwall.com/lists/oss-security/2021/03/19/5Mailing List, Third Party Advisory
• https://community.grafana.com/t/grafana-enterprise-6-7-6-7-3-10-and-7-4-5-security-update/44724Vendor Advisory
• https://community.grafana.com/t/release-notes-v6-7-x/27119Release Notes, Vendor Advisory
• https://grafana.com/blog/2021/03/18/grafana-6.7.6-7.3.10-and-7.4.5-released-with-important-security-fixes-for-grafana-enterprise/Release Notes, Vendor Advisory
• https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-3-10/Release Notes, Vendor Advisory
• https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-4-5/Release Notes, Vendor Advisory
• https://grafana.com/products/enterprise/Product, Vendor Advisory
• https://security.netapp.com/advisory/ntap-20210430-0005/Third Party Advisory
• https://www.openwall.com/lists/oss-security/2021/03/19/5Mailing List, Third Party Advisory

Published

Mar 22, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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