CVE-2026-27880 HIGH

CVE-2026-27880: OpenFeature evaluation API reads input data with no bounds

Vendor Grafana
Product Grafana
Published March 27, 2026
Last update June 30, 2026

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

The OpenFeature feature toggle evaluation endpoint reads unbounded values into memory, which can cause out-of-memory crashes.

Key dates

02Disclosure timeline

March 27, 2026 CVE published
June 30, 2026 Record updated