CVE-2026-27880

OpenFeature evaluation API reads input data with no bounds

Published Mar 27, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
The OpenFeature feature toggle evaluation endpoint reads unbounded values into memory, which can cause out-of-memory crashes.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses CWE-125
Type Values Removed Values Added
Weaknesses CWE-20
Type Values Removed Values Added
Weaknesses CWE-787
CPEs cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Grafana
Grafana grafana
Vendors & Products Grafana
Grafana grafana
Type Values Removed Values Added
Weaknesses CWE-20
CWE-770
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description The OpenFeature feature toggle evaluation endpoint reads unbounded values into memory, which can cause out-of-memory crashes.
Title OpenFeature evaluation API reads input data with no bounds
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GRAFANA
Published
Updated
Aug 27, 2026, 5:22 PM
Reserved
Feb 24, 2026, 2:30 PM
Status
Modified
Published
Mar 27, 2026, 3:16 PM
Modified
Jul 15, 2026, 2:19 AM
Severity
Important
Public date
Mar 27, 2026, 2:12 PM