CVE-2026-63138 Improper Neutralization of Special Elements in Data Query Logic in Kibana Leading to Information Disclosure
An authenticated user can exploit NoSQL injection in Kibana query logic to access unauthorized data, requiring an upgrade to mitigate.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-63138?
CVE-2026-63138 is a medium-severity SQL injection vulnerability in Elastic Kibana, published on 1 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Weakness: CWE-943
Which versions are affected by CVE-2026-63138?
It affects 1 product.
Products include Elastic Kibana.
How do I fix CVE-2026-63138?
Upgrade to a fixed version.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-63138 being exploited?
There is no known exploitation of CVE-2026-63138 in the wild and no public exploit code.
Other vulnerabilities in Elastic Kibana
Sources
Also known as GHSA-q492-2x4w-548c, MINI-h5g5-ghm5-jc47, MINI-wvmg-x5jp-8q5x.