SB2026031962 - Denial of service in Kibana
Published: March 19, 2026
Security Bulletin ID
SB2026031962
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2026-26940)
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources in the Timelion visualization plugin. A remote user can pass a specially crafted Timelion expression that overwrites internal series data properties with an excessively large quantity value and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.