CVE-2026-63137
Undergoing Analysis Undergoing Analysis - In Progress

Incorrect Authorization in Kibana Leading to Privilege Escalation

Publication date: 2026-09-01

Last updated on: 2026-09-01

Assigner: Elastic

Description
Incorrect Authorization (CWE-863) in Kibana can lead to privilege escalation via Exploiting Incorrectly Configured Access Control Security Levels (CAPEC-180). A user holding workflow edit permissions could cause scheduled workflow executions to run with the privileges of a different, higher-privileged user, allowing access to and modification of data beyond their own authorization scope.

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Meta Information

Published
2026-09-01
Last Modified
2026-09-01
Generated
2026-09-02
AI Q&A
2026-09-01
EPSS Evaluated
N/A
NVD
CVE-2026-63137
EUVD
EUVD-2026-69560

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
elastic kibana From 9.3.0 (inc) to 9.4.2 (inc)
elastic kibana 9.4.3
elastic kibana *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-863 The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

Attack-Flow Graph

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Executive Summary

CVE-2026-63137 is a high-severity vulnerability in Kibana versions 9.3.0 through 9.4.2. It involves incorrect authorization (CWE-863) where users with workflow edit permissions can exploit misconfigured access control security levels (CAPEC-180) to run scheduled workflows with higher-privileged user permissions. This allows unauthorized access to and modification of data beyond their authorization scope.

Detection Guidance

To detect this vulnerability, check if your Kibana instance is running a vulnerable version (9.3.0 through 9.4.2) by running: curl -X GET "http://localhost:5601/api/status". If the Workflows feature is enabled, verify if users with workflow edit permissions exist. No specific commands detect exploitation, but monitoring for unauthorized data access or modifications may indicate compromise.

Impact Analysis

This vulnerability can allow attackers with workflow edit permissions to escalate their privileges and access or modify data they are not authorized to see or change. It could lead to data breaches, unauthorized modifications, or compliance violations depending on the data involved.

Compliance Impact

This vulnerability could lead to unauthorized access or modification of sensitive data, which may result in violations of GDPR, HIPAA, or other regulations. Organizations using affected Kibana versions may face legal penalties, reputational damage, and increased scrutiny for failing to protect personal or health data.

Mitigation Strategies

Upgrade Kibana to version 9.4.3 or later immediately. If upgrading is not possible, disable the Workflows feature as a temporary workaround. Ensure no users have unnecessary workflow edit permissions. Monitor for suspicious activity related to data access or modifications.

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