Improper input validation in Grafana - CVE-2026-28375

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Main Vulnerability Database Vulnerabilities #VU124708

Improper input validation in Grafana - CVE-2026-28375

Published: March 31, 2026


Vulnerability identifier: #VU124708
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-2026-28375
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 input validation in the testdata datasource when processing user-supplied queries. A remote user can send a specially crafted request to cause a denial of service.


Affected software

Grafana
openSUSE Leap
release-notes-susemanager-proxy
release-notes-susemanager

How to mitigate CVE-2026-28375

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

External References

Related Security Bulletins