Elk: Improperly Controlled Modification of Dynamically-Determined Object Attributes in Kibana Leading to Unauthorized Data Modification (CVE-2026-72655)
A vulnerability in Kibana's Elastic Security case management allows authenticated users without case editing privileges to modify case data. This occurs because the case management API does not enforce the same authorization checks as the user interface, enabling low-privileged users to alter case records they should only view. The issue affects versions 8.0.0 up to but not including 8.19.20, and 9.0.0 up to but not including 9.4.5. A patch is available to address this improper authorization enforcement.
AI Analysis
Technical Summary
CVE-2026-72655 is an authorization vulnerability in Kibana's Elastic Security case management functionality. It stems from improperly controlled modification of dynamically-determined object attributes (CWE-915). The case management API accepts object attributes without enforcing the same authorization restrictions as the UI, allowing authenticated users lacking case editing privileges to modify case data by manipulating user-controlled variables (CAPEC-77). This flaw affects Kibana versions >=8.0.0 <8.19.20 and >=9.0.0 <9.4.5. No known exploits in the wild have been reported. A patch is available to fix this issue.
Potential Impact
Authenticated users without proper case editing privileges can modify case data they should only be able to view, potentially leading to unauthorized data modification within the Elastic Security case management system. This could affect data integrity and trustworthiness of case records.
Mitigation Recommendations
A patch is available for this vulnerability. Users should upgrade Kibana to versions 8.19.20 or later, or 9.4.5 or later, where the authorization enforcement issue in the case management API has been fixed. No additional mitigation steps are indicated.
Elk: Improperly Controlled Modification of Dynamically-Determined Object Attributes in Kibana Leading to Unauthorized Data Modification (CVE-2026-72655)
Description
A vulnerability in Kibana's Elastic Security case management allows authenticated users without case editing privileges to modify case data. This occurs because the case management API does not enforce the same authorization checks as the user interface, enabling low-privileged users to alter case records they should only view. The issue affects versions 8.0.0 up to but not including 8.19.20, and 9.0.0 up to but not including 9.4.5. A patch is available to address this improper authorization enforcement.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-72655 is an authorization vulnerability in Kibana's Elastic Security case management functionality. It stems from improperly controlled modification of dynamically-determined object attributes (CWE-915). The case management API accepts object attributes without enforcing the same authorization restrictions as the UI, allowing authenticated users lacking case editing privileges to modify case data by manipulating user-controlled variables (CAPEC-77). This flaw affects Kibana versions >=8.0.0 <8.19.20 and >=9.0.0 <9.4.5. No known exploits in the wild have been reported. A patch is available to fix this issue.
Potential Impact
Authenticated users without proper case editing privileges can modify case data they should only be able to view, potentially leading to unauthorized data modification within the Elastic Security case management system. This could affect data integrity and trustworthiness of case records.
Mitigation Recommendations
A patch is available for this vulnerability. Users should upgrade Kibana to versions 8.19.20 or later, or 9.4.5 or later, where the authorization enforcement issue in the case management API has been fixed. No additional mitigation steps are indicated.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- BIT-kibana-2026-72655
- Osv Schema Version
- 1.6.2
- Aliases
- ["CVE-2026-72655"]
- Ecosystems
- ["Bitnami"]
- Database Specific Severity
- Medium
- Cvss Version
- null
Threat ID: 6a85b4aaacd9273b49250f06
Added to database: 08/19/2026, 13:50:34 UTC
Last enriched: 08/19/2026, 14:05:08 UTC
Last updated: 08/20/2026, 02:52:00 UTC
Views: 3
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