#VU124706 Uncontrolled Memory Allocation in Grafana - CVE-2026-27879
Published: March 31, 2026
Vulnerability identifier: #VU124706
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-2026-27879
CWE-ID: CWE-789
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Grafana
Grafana
Software vendor:
Grafana Labs
Grafana Labs
Description
The vulnerability allows a remote user to cause a denial of service.
The vulnerability exists due to improper input validation in query resampling when processing crafted resample queries. A remote user can send a specially crafted request to cause a denial of service.
Remediation
Install security update from vendor's website.