Vulnerability · Published Sep 1, 2026 · Assigned by elastic

CVE-2026-63138Improper Neutralization of Special Elements in Data Query Logic in Kibana Leading to Information Disclosure

Medium 6.5

In plain English

A medium-severity security flaw in Kibana from Elastic. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.5%top 59.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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 products (as reported)

VendorProductVersions
Elastic Kibana 9.4.0 – through 9.4.49.5.0

Weakness: CWE-943 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References