Improper input validation in Grafana - CVE-2026-33375
Published: March 31, 2026
Vulnerability identifier: #VU124710
CSH Severity: Low
CVSS v4: 7.1 [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]
CVE-ID: CVE-2026-33375
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Grafana
openSUSE Leap
release-notes-susemanager-proxy
release-notes-susemanager
openSUSE Leap
release-notes-susemanager-proxy
release-notes-susemanager
How to mitigate CVE-2026-33375
Install security update from vendor's website.
Grafana - addressed in versions 11.6.14, 12.1.10, 12.2.8, 12.3.6, 12.4.2
release-notes-susemanager-proxy - update to 4.3.18-150400.3.110.2
release-notes-susemanager - update to 4.3.18-150400.3.154.2
release-notes-susemanager-proxy - update to 4.3.18-150400.3.110.2
release-notes-susemanager - update to 4.3.18-150400.3.154.2