CVE-2026-63138 — MEDIUM (6.5)

Q: How severe is CVE-2026-63138?

CVE-2026-63138 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-63138?

Check the references section above for vendor advisories and patch information. Affected products include: Elastic Kibana.

Vulnerability 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 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Elastic	Kibana	>= 9.4.0, < 9.4.5

Related Weaknesses (CWE)

CWE-943

References

https://discuss.elastic.co/t/kibana-9-4-5-9-5-1-security-update-esa-2026-168/390Vendor Advisory

FAQ

What is CVE-2026-63138?

CVE-2026-63138 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 affecte...

How severe is CVE-2026-63138?

CVE-2026-63138 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-63138?

Check the references section above for vendor advisories and patch information. Affected products include: Elastic Kibana.