How severe is CVE-2026-33381?

CVE-2026-33381 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-33381 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-33381?

CVE-2026-33381 affects Grafana. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-33381?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-33381 have an EU (EUVD) identifier?

Yes. CVE-2026-33381 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30146.

When was CVE-2026-33381 published?

CVE-2026-33381 was published on 2026-05-13 and last updated on 2026-06-17.

CVE-2026-33381

CVE-2026-33381 is a medium-severity vulnerability in Grafana with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-30146
Weakness: CWE-284
Affected product: Grafana
Published: 2026-05-13
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-33381?: 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.
How severe is CVE-2026-33381?: CVE-2026-33381 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-33381 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-33381?: CVE-2026-33381 affects Grafana. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-33381?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-33381 have an EU (EUVD) identifier?: Yes. CVE-2026-33381 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30146.
When was CVE-2026-33381 published?: CVE-2026-33381 was published on 2026-05-13 and last updated on 2026-06-17.

References

https://grafana.com/security/security-advisories/cve-2026-33381

Affected products (1)

cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*

More vulnerabilities in Grafana

CVE-2025-41115 — Critical (CVSS 10.0): SCIM provisioning was introduced in Grafana Enterprise and Grafana Cloud in April to improve how organizations manage…
CVE-2024-9264 — Critical (CVSS 9.9): The SQL Expressions experimental feature of Grafana allows for the evaluation of `duckdb` queries containing user…
CVE-2022-39328 — Critical (CVSS 9.8): Grafana is an open-source platform for monitoring and observability. Versions starting with 9.2.0 and less than 9.2.4…
CVE-2022-28660 — Critical (CVSS 9.8): The querier component in Grafana Enterprise Logs 1.1.x through 1.3.x before 1.4.0 does not require authentication when…
CVE-2022-26148 — Critical (CVSS 9.8): An issue was discovered in Grafana through 7.3.4, when integrated with Zabbix. The Zabbix password can be found in the…
CVE-2021-39226 — Critical (CVSS 9.8): Grafana is an open source data visualization platform. In affected versions unauthenticated and authenticated users are…

All CVEs affecting Grafana →

Other CWE-284 (Improper Access Control) vulnerabilities

CVE-2026-76607 — Critical (CVSS 10.0): Joomla Extension - fabrikar.com - Missing ACL check in download element in Fabrik < 4.7.3 - ???.
CVE-2026-20315 — Critical (CVSS 10.0): As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Workload engineering…
CVE-2026-70921 — Critical (CVSS 10.0): Vulnerability in the Oracle Hyperion Financial Management product of Oracle Hyperion (component: Security). The…
CVE-2026-66803 — Critical (CVSS 10.0): Improper access control in Azure Cosmos DB allows an unauthorized attacker to execute code over a network.
CVE-2026-58630 — Critical (CVSS 10.0): Improper access control in Azure App Service allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-60358 — Critical (CVSS 10.0): Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engine).…

Browse all CWE-284 (Improper Access Control) vulnerabilities →

Threat intelligence

Threat-intel indicators referencing this CVE:

46.38.146.46 (ipv4-addr)
66.45.242.46 (ipv4-addr)
5.189.131.104 (ipv4-addr)
20.240.217.248 (ipv4-addr)