CVE-2026-27880

EUVD-2026-16598
The OpenFeature feature toggle evaluation endpoint reads unbounded values into memory, which can cause out-of-memory crashes.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
GRAFANACNA
7.5 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
grafanagrafana
12.1.0 ≤
𝑥
< 12.1.10
grafanagrafana
12.2.0 ≤
𝑥
< 12.2.8
grafanagrafana
12.3.0 ≤
𝑥
< 12.3.6
grafanagrafana
12.4.0 ≤
𝑥
< 12.4.2
𝑥
= Vulnerable software versions
References
https://grafana.com/security/security-advisories/cve-2026-27880
https://grafana.com/security/security-advisories/cve-2026-27880