CVE-2025-3580: grafana Improper Access Control
Vulnerability summary
CVE-2025-3580 is a medium (CVSS 5.5) Improper Access Control vulnerability in grafana. EPSS estimates a 0.48% chance of exploitation in the next 30 days, higher than 40.3% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 23-05-2025PublishedVulnerability first disclosed.
- 17-07-2025Last modifiedVulnerability information updated.
Description
An access control vulnerability was discovered in Grafana OSS where an Organization administrator could permanently delete the Server administrator account. This vulnerability exists in the DELETE /api/org/users/ endpoint. The vulnerability can be exploited when: 1. An Organization administrator exists 2. The Server administrator is either: - Not part of any organization, or - Part of the same organization as the Organization administrator Impact: - Organization administrators can permanently delete Server administrator accounts - If the only Server administrator is deleted, the Grafana instance becomes unmanageable - No super-user permissions remain in the system - Affects all users, organizations, and teams managed in the instance The vulnerability is particularly serious as it can lead to a complete loss of administrative control over the Grafana instance.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H
- NVDNIST5.5MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H
EPSS trend
Probability
0.48%
Chance of exploitation in the next 30 days
Percentile
40%
Versus all other CVEs
30-day change
+0.02 pp
From 0.46% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Grafana1 product
- grafana≥ 12.0.0, < 12.0.1 | ≥ 11.6.1, < 11.6.2 | ≥ 11.5.4, < 11.5.5 | ≥ 11.4.4, < 11.4.5 | ≥ 11.3.6, < 11.3.7 | ≥ 11.2.9, < 11.2.10 | ≥ 10.4.18, < 10.4.19
Ubuntu1 product
- grafanaAll versions (No fix recorded)
2 vendors · 2 products