Vulnerability · Published May 13, 2026 · Assigned by GRAFANA
CVE-2026-33381Users can generate Service Account tokens after permissions removal
Medium 5.9
In plain English
A medium-severity improper access control in Grafana OSS from Grafana. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.9Medium
Exploit odds (30 days)0.3%top 72.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
When a user's access to mint tokens for a service account is revoked, it is sometimes still possible to do so for a few seconds after the event. The user will eventually lose access to do this.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/grafana/grafana | 1.9.2-0.20260513165311-fb7336fc36c1 | GHSA-wfhv-mj62-f5xh |
| Go | github.com/grafana/grafana | no fix listed | GO-2026-5708 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Grafana | Grafana OSS | 9.2.0 – through 11.6.1411.6.14 – before 11.6.14+security-0412.0.0 – through 12.2.812.2.8 – before 12.2.8+security-0412.3.0 – through 12.3.612.3.6 – before 12.3.6+security-0412.4.0 – through 12.4.312.4.3 – before 12.4.3+security-02 |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
References
- https://grafana.com/security/security-advisories/cve-2026-33381 vendor-advisory