EUVD-2026-42109
GHSA-x94r-qqxh-wpj5
Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Requires authenticated Org Admin role (PR:L) and knowledge of cross-org dashboard identifiers (AC:H); impact is limited to cross-tenant deletion (I:L) with no confidentiality or availability effect.
Primary rating from Vendor (GRAFANA).
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Lifecycle Timeline
2DescriptionNVD
The public dashboard deletion endpoint does not enforce organization isolation, allowing an Org Admin in one organization to delete public dashboards belonging to a different organization by supplying the target dashboard's identifiers.
AnalysisAI
Cross-organization authorization bypass in Grafana OSS and Enterprise allows an authenticated Org Admin to delete public dashboards owned by a different organization by supplying the target dashboard's identifiers to the deletion endpoint. The missing tenant-isolation check on the delete operation means any Org Admin - regardless of their organizational scope - can reach and destroy dashboards across organizational boundaries. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to hold an authenticated Org Admin role (PR:L per CVSS vector) within any organization on the target Grafana instance - this is not an unauthenticated or anonymous attack. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N) scores 3.1, correctly reflecting a network-reachable but authentication-gated and complexity-constrained flaw with limited integrity impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker with Org Admin credentials in Organization A enumerates or infers the UID of a public dashboard belonging to Organization B - for example, by observing shared dashboard links or through API enumeration - then issues a DELETE request to the public dashboard deletion endpoint using that UID. Because the endpoint does not validate organizational ownership, the request succeeds and the target dashboard is permanently deleted. … |
| Remediation | Consult the Grafana security advisory at https://grafana.com/security/security-advisories/cve-2026-28378 for the vendor-released patched version - no exact fix version number is confirmed from the available data, so the patch version must be taken directly from the advisory. … Detailed patch versions, workarounds, and compensating controls in full report. |
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More in Grafana Enterprise
View allSame weakness CWE-284 – Improper Access Control
View allSame technique Authentication Bypass
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External POC / Exploit Code
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