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Grafana EUVD-2026-16636

| CVE-2026-27879 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 - 08:30 nvd
Patch available
EUVD ID Assigned
Mar 27, 2026 - 14:45 euvd
EUVD-2026-16636
Analysis Generated
Mar 27, 2026 - 14:45 vuln.today
CVE Published
Mar 27, 2026 - 14:28 nvd
MEDIUM 6.5

DescriptionCVE.org

A resample query can be used to trigger out-of-memory crashes in Grafana.

AnalysisAI

Grafana versions prior to patching are vulnerable to denial-of-service attacks via maliciously crafted resample queries that exhaust server memory and trigger out-of-memory crashes. Authenticated users with query execution privileges can exploit this low-complexity remote vulnerability to disrupt service availability. …

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Vulnerability AssessmentAI

Risk Assessment This vulnerability presents a moderate real-world risk despite its 6.5 CVSS score. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An authenticated Grafana user with query execution permissions crafts a resample query containing parameters designed to force allocation of extremely large in-memory buffers (for example, requesting resampling of a massive time range into microsecond granularity with high cardinality dimensions). When submitted to the Grafana backend, the query processor begins buffering the entire result set in memory without bounds, quickly exhausting available heap space. …
Remediation Apply the security patch released by Grafana as documented in the official security advisory at https://grafana.com/security/security-advisories/cve-2026-27879. … 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
SUSE Linux Enterprise Module for Package Hub 15 SP7 Fixed
SUSE Manager Client Tools 15 Fixed
SUSE Manager Client Tools for SLE 15 Fixed
SUSE Multi-Linux Manager Client Tools for SLE 15 Fixed
openSUSE Leap 15.6 Fixed

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EUVD-2026-16636 vulnerability details – vuln.today
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