CVE-2026-72628
Published:September 01, 2026
Updated:September 02, 2026
Improper Handling of Highly Compressed Data (CWE-409) in Kibana can lead to a denial of service via Excessive Allocation (CAPEC-130). An authenticated user holding Streams management privileges could supply specially crafted content that expands to a far larger volume of data during processing, exhausting the memory available to Kibana. The Kibana process is terminated by the host and remains unavailable to all users until the service is restarted.
Affected Packages
https://github.com/elastic/kibana.git (GITHUB):
Affected version(s) >=v9.5.0 <v9.5.2Fix Suggestion:
Update to version v9.5.2https://github.com/elastic/kibana.git (GITHUB):
Affected version(s) >=v8.19.0 <v8.19.21Fix Suggestion:
Update to version v8.19.21https://github.com/elastic/kibana.git (GITHUB):
Affected version(s) >=v9.0.0 <v9.4.6Fix Suggestion:
Update to version v9.4.6Related Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Improper Handling of Highly Compressed Data (Data Amplification)