Vulnerability DatabaseCVE-2026-27880
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CVE-2026-27880
Published:March 27, 2026
Updated:May 16, 2026
The OpenFeature feature toggle evaluation endpoint reads unbounded values into memory, which can cause out-of-memory crashes.
Affected Packages
github.com/grafana/grafana (GO):
Affected version(s) >=v12.4.0 <v12.4.2
Fix Suggestion:
Update to version v12.4.2
github.com/grafana/grafana (GO):
Affected version(s) >=v12.2.0 <v12.2.8
Fix Suggestion:
Update to version v12.2.8
github.com/grafana/grafana (GO):
Affected version(s) >=v12.1.0 <v12.1.10
Fix Suggestion:
Update to version v12.1.10
github.com/grafana/grafana (GO):
Affected version(s) >=v12.3.0 <v12.3.6
Fix Suggestion:
Update to version v12.3.6
Related Resources (1)
https://grafana.com/security/security-advisories/cve-2026-27880
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Out-of-bounds Write
CWE-787
Out-of-bounds Read
CWE-125
EPSS
Base Score:
0.03