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    CVE-2021-28146

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

    Published:Mar 18, 2021
    Last Modified:Nov 21, 2024
    EPS:Mar 22, 2021
    EPSS Score:0.00336
    CVSS Score:6.5

    Affected Products

    Vendor
    Grafana
    Product
    Grafana

    Exploits

    No exploit reference

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    CVE-2026-19197 (CVSS 6.3) — A user with organization administrator permissions can delete dashboard snapshots belonging to other organizat…
    CVE-2026-17033 (CVSS 6.8) — An authenticated attacker with Editor access or alert.instances.external:write can submit an external Alertman…
    CVE-2026-17183 (CVSS 7.1) — An authenticated user with permission to create or edit alert rules can bypass datasource query authorization …
    CVE-2026-11817 (CVSS 5.3) — This vulnerability only affects Grafana stacks configured with multiple organizations; single-organization dep…
    CVE-2026-72585 (CVSS 6.5) — Red Hat CNA-LR concluded that this CVE is not valid.…
    CVE-2026-9765 (CVSS 7.1) — Note: The CVE and blog post don't exist because we determined this is actually a cloud-only issue. Access Con…
    CVE-2026-21723 (CVSS 5.3) — The alertmanager templates test endpoint (/api/alertmanager/grafana/config/api/v1/templates/test) can execute …
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    References

    https://community.grafana.com/t/grafana-enterprise-6-7-6-7-3-10-and-7-4-5-security-update/44724
    https://community.grafana.com/t/release-notes-v6-7-x/27119
    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/
    https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-3-10/
    https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-4-5/
    https://grafana.com/products/enterprise/
    https://www.openwall.com/lists/oss-security/2021/03/19/5
    https://community.grafana.com/t/grafana-enterprise-6-7-6-7-3-10-and-7-4-5-security-update/44724
    https://community.grafana.com/t/release-notes-v6-7-x/27119
    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/
    https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-3-10/
    https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-4-5/
    https://grafana.com/products/enterprise/
    https://www.openwall.com/lists/oss-security/2021/03/19/5

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High