#VU124710 Improper input validation in Grafana - CVE-2026-33375

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Main Vulnerability Database Vulnerabilities #VU124710

#VU124710 Improper input validation in Grafana - CVE-2026-33375

Published: March 31, 2026


Vulnerability identifier: #VU124710
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-33375
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Grafana
Software vendor:
Grafana Labs

Description

The vulnerability allows a remote user to cause a denial of service.

The vulnerability exists due to improper access control in the MSSQL data source plugin when processing user queries. A remote user can send a specially crafted request to cause a denial of service.

Authentication as a low-privileged user (Viewer) is required to exploit this vulnerability.


Remediation

Install security update from vendor's website.

External links