CVE-2026-56152: CWE-863 Incorrect Authorization in Elastic Kibana
Incorrect Authorization (CWE-863) in Kibana can lead to unauthorized information disclosure via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). Under certain conditions, a low-privileged authenticated user can access response action data that they are not authorized to view.
AI Analysis
Technical Summary
This vulnerability (CWE-863) in Elastic Defend involves improper authorization checks that permit low-privileged authenticated users to access sensitive response action data beyond their permissions. The issue arises from access control mechanisms failing to properly restrict functionality, leading to unauthorized information disclosure. Affected versions include 8.6.0, 9.0.0, and 9.3.0. There is no vendor-provided remediation or patch information available at this time, and no known exploits have been reported in the wild.
Potential Impact
The impact is unauthorized disclosure of sensitive response action data to low-privileged authenticated users. This could potentially expose confidential information but does not affect integrity or availability. The CVSS score of 5.3 reflects a medium severity level, indicating a moderate risk.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or workaround is currently documented, users should monitor Elastic's advisories for updates. Restricting user privileges and reviewing access controls may help reduce exposure until a patch is available.
CVE-2026-56152: CWE-863 Incorrect Authorization in Elastic Kibana
Description
Incorrect Authorization (CWE-863) in Kibana can lead to unauthorized information disclosure via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). Under certain conditions, a low-privileged authenticated user can access response action data that they are not authorized to view.
CVSS v3.1
Score 5.3medium
Affected software
Elastic
Kibana
pkg:github/elastic/defendRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-863) in Elastic Defend involves improper authorization checks that permit low-privileged authenticated users to access sensitive response action data beyond their permissions. The issue arises from access control mechanisms failing to properly restrict functionality, leading to unauthorized information disclosure. Affected versions include 8.6.0, 9.0.0, and 9.3.0. There is no vendor-provided remediation or patch information available at this time, and no known exploits have been reported in the wild.
Potential Impact
The impact is unauthorized disclosure of sensitive response action data to low-privileged authenticated users. This could potentially expose confidential information but does not affect integrity or availability. The CVSS score of 5.3 reflects a medium severity level, indicating a moderate risk.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or workaround is currently documented, users should monitor Elastic's advisories for updates. Restricting user privileges and reviewing access controls may help reduce exposure until a patch is available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- elastic
- Date Reserved
- 2026-06-19T11:01:02.535Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a45492b27e9c79719d62127
Added to database: 07/01/2026, 17:06:51 UTC
Last enriched: 07/01/2026, 17:22:21 UTC
Last updated: 09/30/2026, 03:28:29 UTC
Views: 109
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