#VU124707 Resource exhaustion in Grafana - CVE-2026-27880

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Main Vulnerability Database Vulnerabilities #VU124707

#VU124707 Resource exhaustion in Grafana - CVE-2026-27880

Published: March 31, 2026


Vulnerability identifier: #VU124707
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-27880
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Grafana
Software vendor:
Grafana Labs

Description

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

The vulnerability exists due to improper input validation in the OpenFeature feature toggle evaluation endpoint when processing unbounded input data. A remote attacker can send a specially crafted request with large input values to cause a denial of service.

The issue can lead to out-of-memory crashes.


Remediation

Install security update from vendor's website.

External links