Kibana Fleet Resource Exhaustion via Crafted Request (CVE-2026-0530)
CVE-2026-0530 Published on January 13, 2026
Allocation of Resources Without Limits or Throttling in Kibana Leading to Excessive Allocation
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.
Vulnerability Analysis
CVE-2026-0530 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
Allocation of Resources Without Limits or Throttling
The software allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.
Products Associated with CVE-2026-0530
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Affected Versions
Elastic Kibana:- Version 7.10.0, <= 7.17.29 is affected.
- Version 8.0.0, <= 8.19.9 is affected.
- Version 9.0.0, <= 9.1.9 is affected.
- Version 9.2.0, <= 9.2.3 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.