Skip to main content

Kibana EUVD-2026-33031

| CVE-2026-42399 MEDIUM
Uncontrolled Resource Consumption (CWE-400)
2026-05-28 elastic GHSA-hcw2-vpp7-52v9
6.5
CVSS 3.1
Share

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

1
Analysis Generated
May 28, 2026 - 21:32 vuln.today

DescriptionNVD

Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated low-privileged user can cause Kibana to consume exponentially increasing amounts of memory by submitting a specially crafted Timelion visualization expression containing deeply chained function calls. The resulting data structure grows without bound, exhausting available memory and causing the Kibana service to crash and become unavailable to all users.

AnalysisAI

Denial of service in Elastic Kibana allows an authenticated low-privileged user to crash the Kibana service and deny access to all users by submitting a maliciously crafted Timelion visualization expression. The Timelion expression parser fails to bound the depth of chained function call processing, causing the resulting data structure to grow exponentially and exhaust available server memory. …

Sign in for full analysis, threat intelligence, and remediation guidance.

Share

EUVD-2026-33031 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy