Kibana DoS via Excessive Bulk Deletion Resource Exhaustion
CVE-2026-49087 Published on July 1, 2026
Allocation of Resources Without Limits or Throttling in Kibana Leading to Denial of Service
Allocation of Resources Without Limits or Throttling (CWE-770) in Kibana can lead to a denial of service via Excessive Allocation (CAPEC-130). An authenticated user can submit a specially crafted bulk deletion request that causes excessive resource consumption, which may render Kibana unavailable.
Vulnerability Analysis
CVE-2026-49087 can be exploited 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-2026-49087
Want to know whenever a new CVE is published for Elastic Kibana? stack.watch will email you.
Affected Versions
Elastic Kibana:- Version 9.0.0, <= 9.3.3 is affected.
- Version 8.0.0, <= 8.19.14 is affected.