CVE-2026-33381 Users can generate Service Account tokens after permissions removal

What is CVE-2026-33381?

CVE-2026-33381 is a medium-severity vulnerability in Grafana Grafana, published on 13 May 2026. An attacker needs administrator access to exploit it, with no action from the victim.

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.

Weakness: CWE-284

Which versions are affected by CVE-2026-33381?

4 open source packages ship an affected version, including github.com/grafana/grafana and grafana. It affects 1 product.

Products include Grafana Grafana.

How do I fix CVE-2026-33381?

Upgrade github.com/grafana/grafana to 1.9.2-0.20260513165311-fb7336fc36c1 or later.

Is CVE-2026-33381 being exploited?

There is no known exploitation of CVE-2026-33381 in the wild and no public exploit code.

Other vulnerabilities in Grafana Grafana

• CVE-2021-43798 Grafana Path Traversal Exploited High 7.5
• CVE-2025-41115 Incorrect privilege assignment Critical 10.0
• CVE-2022-39328 Grafana vulnerable to race condition allowing privilege escalation Critical 9.8
• CVE-2022-28660 Auth bypass in n/a Critical 9.8
• CVE-2022-26148 Information disclosure in n/a Critical 9.8

All Grafana Grafana vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-grafana-2026-33381, GHSA-wfhv-mj62-f5xh, GO-2026-5708, MINI-329f-xq8m-9f8r, MINI-5w6x-94pg-6rg5, MINI-68cf-4rcp-cjp7 and 14 more.