Kibana
CVE-2026-0530
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V2 - Validation and Business Logic Resource allocation limits
MITRE ATT&CK
1 technique across 1 tactic: Impact The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS 6.5 (MEDIUM). Attack vector: Network. Complexity: Low. Privileges required: Low. User interaction: None. |
| Exploit ScenarioDerived | An attacker could exploit this vulnerability to Excessive Allocation (CAPEC-130) via a specially crafted request. |
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Alert meAnalysisAIv1 – Mar 12, 2026
Kibana Fleet fails to limit resource allocation when processing specially crafted requests, allowing authenticated attackers to trigger excessive CPU and memory consumption that degrades or completely disables the service. The vulnerability affects Kibana deployments where users have authentication access, and no patch is currently available to remediate the issue.
Earlier versions of this analysis (1)
Allocation of Resources Without Limits or Throttling (CWE-770) in Kibana Fleet can lead to Excessive Allocation (CAPEC-130) via a specially crafted request. [CVSS 6.5 MEDIUM]
RemediationAI
Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
Classified as CWE-770 (Allocation of Resources Without Limits or Throttling). Affects Kibana. Allocation of Resources Without Limits or Throttling (CWE-770) in Kibana Fleet can lead to Excessive Allocation (CAPEC-130) via a specially crafted request. This causes the application to perform redundant processing operations that continuously consume system resources until service degradation or complete unavailability occurs.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD.
CVSS VectorNVD
DescriptionCVE.org
Allocation of Resources Without Limits or Throttling (CWE-770) in Kibana Fleet can lead to Excessive Allocation (CAPEC-130) via a specially crafted request. This causes the application to perform redundant processing operations that continuously consume system resources until service degradation or complete unavailability occurs.
Executive ViewAI
CVE-2026-0530 presents notable security risk rated CVSS 6.5. Exploitation could compromise the security of affected deployments. Organizations should apply vendor updates when available and monitor for exploitation.
Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.
Affected Products (CPE)CVE.org
Kibana versions before 5.6.15 and 6.6.1 contain an arbitrary code execution flaw in the Timelion visualizer. Rated criti
Kibana versions 6.7.0 to 6.8.8 and 7.0.0 to 7.6.2 contain a prototype pollution flaw in the Upgrade Assistant. Rated hig
Kibana versions before 6.4.3 and 5.6.13 contain an arbitrary file inclusion flaw in the Console plugin. Rated critical s
Prototype pollution in Kibana leads to arbitrary code execution via a crafted file upload and specifically crafted HTTP
Kibana versions 4.0 to 4.6, 5.0 to 5.6.12, and 6.0 to 6.4.2 contain an error in the way authorization credentials are us
A Prototype pollution vulnerability in Kibana leads to arbitrary code execution via crafted HTTP requests to machine lea
Kibana versions before 6.6.1 contain an arbitrary code execution flaw in the security audit logger. Rated critical sever
Prototype Pollution in Kibana can lead to code injection via unrestricted file upload combined with path traversal. Rate
Authorization bypass in Kibana's Fleet package installation process lets an authenticated user who holds delegated Fleet
Privilege escalation in Elastic Kibana's Agent Builder component (versions 9.4.0-9.4.3) allows authenticated low-privile
A deserialization issue in Kibana can lead to arbitrary code execution when Kibana attempts to parse a YAML document con
Kibana version 8.7.0 contains an arbitrary code execution flaw. Rated high severity (CVSS 8.8), this vulnerability is re
GitHub PoC
Exploit-DB