Improper input validation in Grafana - CVE-2026-27876
Published: March 31, 2026
Vulnerability identifier: #VU124705
CSH Severity: Low
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-27876
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote privileged user to execute arbitrary code.
The vulnerability exists due to improper input validation in SQL Expressions feature when processing user-supplied queries. A remote privileged user can send a specially crafted request to execute arbitrary code.
Only instances with the sqlExpressions feature toggle enabled are vulnerable.
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-2026-27876
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