SB20260113103 - Multiple vulnerabilities in Elastic Kibana



SB20260113103 - Multiple vulnerabilities in Elastic Kibana

Published: January 13, 2026

Security Bulletin ID SB20260113103
CSH Severity
High
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

High 25% Medium 75%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Resource exhaustion (CVE-ID: CVE-2026-0543)

CWE-ID: CWE-400 - Resource exhaustion

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


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. A remote user can pass a specially crafted email parameter to the application to trigger resource exhaustion and perform a denial of service (DoS) attack.


2) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2026-0532)

CWE-ID: CWE-918 - Server-Side Request Forgery (SSRF)

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Amber


The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted a specially crafted credentials JSON payload in the Google Gemini connector configuration and read contents of arbitrary files on the system or initiate requests to internal system.


3) Resource exhaustion (CVE-ID: CVE-2026-0531)

CWE-ID: CWE-400 - Resource exhaustion

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


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. A remote user can send a specially crafted bulk retrieval request to trigger resource exhaustion and perform a denial of service (DoS) attack.


4) Resource exhaustion (CVE-ID: CVE-2026-0530)

CWE-ID: CWE-400 - Resource exhaustion

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


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. A remote user can send specially crafted requests to trigger resource exhaustion and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.