CVE-2026-78581
Last modified
CVE-2026-78581 is a medium-severity vulnerability rated 4.2/10 on the CVSS scale. Authorization Bypass Through User-Controlled Key (CWE-639) in Kibana can lead to unauthorized data modification via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). Under certain conditions, an authenticated user could reference another user's AI Assistant conversation identifier to access or modify a conversation they do not own. EPSS estimates a 0.13% chance of exploitation in the next 30 days.
Description
Authorization Bypass Through User-Controlled Key (CWE-639) in Kibana can lead to unauthorized data modification via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). Under certain conditions, an authenticated user could reference another user's AI Assistant conversation identifier to access or modify a conversation they do not own. Successful exploitation requires knowledge of a hard-to-guess identifier.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Elastic | Kibana | >= 8.0.0, < 8.16.3 |
| Elastic | Kibana | >= 8.17.0, < 8.17.2 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
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