OpenFeature evaluation API reads input data with no bounds

High
Advisory ID:CVE-2026-27880
Published:2026-03-30
Product:Grafana
CVSS Score:7.5
CVSS Vector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Fixed Versions:
<12.1.0
>=12.1.10 <12.2.0
>=12.2.8 <12.3.0
>=12.3.6 <12.4.0
>=12.4.2

Summary

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