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CVE-2026-21721

Good to know:

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Date: January 27, 2026

The dashboard permissions API does not verify the target dashboard scope and only checks the dashboards.permissions:* action. As a result, a user who has permission management rights on one dashboard can read and modify permissions on other dashboards. This is an organization‑internal privilege escalation.

Severity Score

Related Resources (3)

https://grafana.com/security/security-advisories/cve-2026-21721
https://nvd.nist.gov/vuln/detail/CVE-2026-21721
https://www.mend.io/vulnerability-database/CVE-2026-21721

Severity Score

Top Fix

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Upgrade Version

Upgrade to version github.com/grafana/grafana - v0.0.0-20260127085243-5a62f35f5b69;https://github.com/grafana/grafana.git - v12.3.2;https://github.com/grafana/grafana.git - v12.2.4;https://github.com/grafana/grafana.git - v12.1.6;https://github.com/grafana/grafana.git - v12.0.9;https://github.com/grafana/grafana.git - v11.6.10

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): NONE

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