CVE-2026-63138

Improper Neutralization of Special Elements in Data Query Logic in Kibana Leading to Information Disclosure

MEDIUM
6.5
CVSS Score
Published: September 1, 2026 at 07:20 PM UTC
Updated: September 2, 2026 at 02:22 PM UTC
1 product affected across 1 vendorKibana

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

9.4.0 ≤ v ≤ 9.4.49.4.09.5.0
Affected range stops below 9.4.5, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMelastic
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-943

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