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Grafana EUVD-2026-16638

| CVE-2026-28375 MEDIUM
Uncontrolled Resource Consumption (CWE-400)
2026-03-27 GRAFANA
Grafana Denial Of Service Red Hat Suse
6.5
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SUSE
MEDIUM
qualitative
Red Hat
6.5 MEDIUM
qualitative

Primary rating from NVD.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

4
Patch released
Apr 10, 2026 - 14:30 nvd
Patch available
EUVD ID Assigned
Mar 27, 2026 - 14:45 euvd
EUVD-2026-16638
Analysis Generated
Mar 27, 2026 - 14:45 vuln.today
CVE Published
Mar 27, 2026 - 14:26 nvd
MEDIUM 6.5

DescriptionCVE.org

A testdata data-source can be used to trigger out-of-memory crashes in Grafana.

AnalysisAI

Grafana's testdata data-source plugin allows authenticated users to trigger out-of-memory (OOM) crashes, causing a denial of service affecting availability. The vulnerability requires low-privilege user authentication and network access to the affected Grafana instance, enabling local or remote attackers with valid credentials to exhaust server memory resources without user interaction. …

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Vulnerability AssessmentAI

Risk Assessment The CVSS score of 6.5 reflects a medium-to-high severity denial of service condition with high availability impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An authenticated Grafana user (e.g., one with a low-privilege viewer or editor role) crafts a specially designed query against the testdata data-source that causes the Grafana backend process to allocate memory without release, causing the server to run out of available RAM and crash. If multiple such queries are submitted or if the attacker has access to automated query scheduling, the denial of service impact can persist or recur, forcing administrators to manually restart services. …
Remediation Apply the security patch released by Grafana as detailed in the official security advisory at https://grafana.com/security/security-advisories/cve-2026-28375. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. …

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Vendor StatusVendor

SUSE

Severity: Medium
Product Status
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SUSE Manager Client Tools for SLE 15 Fixed
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EUVD-2026-16638 vulnerability details – vuln.today
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