CVE-2026-63138: CWE-943 Improper Neutralization of Special Elements in Data Query Logic in Elastic Kibana
Description
Improper Neutralization of Special Elements in Data Query Logic (CWE-943) in Kibana can lead to information disclosure via NoSQL Injection (CAPEC-676). An authenticated user with access to the affected query functionality could submit specially crafted input that alters the intended query logic, returning data the user is not authorized to read.
CVSS v3.1
Score 6.5medium
Affected software
Elastic
Kibana
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-943) in Kibana allows an authenticated user with query access to perform NoSQL injection by submitting specially crafted input that changes the intended query logic. This can result in information disclosure, exposing data the user should not be authorized to view. The CVSS 3.1 score is 6.5 (medium severity), reflecting network attack vector, low attack complexity, and requiring privileges but no user interaction. No known exploits are reported in the wild. Affected versions are exactly 9.4.0 and 9.5.0.
Potential Impact
An attacker with authenticated access to the vulnerable query functionality can manipulate queries to retrieve unauthorized data, leading to information disclosure. There is no indication of impact on integrity or availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict access to the affected query functionality to trusted users only and monitor for suspicious query activity.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- elastic
- Date Reserved
- 2026-07-15T18:23:57.166Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a972606acd9273b491915bc
Added to database: 09/01/2026, 19:22:46 UTC
Last enriched: 09/07/2026, 14:19:20 UTC
Last updated: 10/15/2026, 18:48:22 UTC
Views: 55
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