High severity · published Jan 27, 2026
CVE-2026-21721
The dashboard permissions API does not verify the target dashboard scope and only checks the dashboards.permissions:* action
8.1
CVSS
0.7%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GR
Grafana · Grafana
10.2.0 before 11.6.9; 12.0.0 before 12.0.8; 12.1.0 before 12.1.5; 12.2.0 before 12.2.3; 11.6.9; 12.0.8; +4 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-21721
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-21721
Vendor Advisory
https://grafana.com/security/security-advisories/cve-2026-21721
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:2914
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:2920
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:3078
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:3529
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:41064
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