Dashboard Permissions Scope Bypass Enables Cross‑Dashboard Privilege Escalation

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Summary

CVECVE-2026-21721
StatePUBLISHED
AssignerGRAFANA
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-01-27 09:15:48 UTC
Updated2026-04-20 17:28:19 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 8.1 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Problem Types: CWE-863 | CWE-863 CWE-863 Incorrect Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.1HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
3.1CNADECLARED8.1HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Grafana Grafana All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Grafana Grafana/grafana affected 12.3.0 12.3.1 semver Not specified
CNA Grafana Grafana/grafana affected 12.2.0 12.2.3 semver Not specified
CNA Grafana Grafana/grafana affected 12.1.0 12.1.5 semver Not specified
CNA Grafana Grafana/grafana affected 12.0.0 12.0.8 semver Not specified
CNA Grafana Grafana/grafana affected 10.2.0 11.6.9 semver Not specified
CNA Grafana Grafana/grafana-enterprise affected 10.2.0 11.6.9 semver Not specified
CNA Grafana Grafana/grafana-enterprise affected 12.0.0 12.0.8 semver Not specified
CNA Grafana Grafana/grafana-enterprise affected 12.1.0 12.1.5 semver Not specified
CNA Grafana Grafana/grafana-enterprise affected 12.2.0 12.2.3 semver Not specified
CNA Grafana Grafana/grafana-enterprise affected 12.3.0 12.3.1 semver Not specified

References

ReferenceSourceLinkTags
grafana.com/security/security-advisories/cve-2026-21721 [email protected] grafana.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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