CVE-2026-63142 Incomplete List of Disallowed Inputs in Kibana Leading to Server-Side Request Forgery

What is CVE-2026-63142?

CVE-2026-63142 is a medium-severity server-side request forgery vulnerability in Elastic Kibana, published on 21 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Incomplete List of Disallowed Inputs (CWE-184) in Kibana can allow an authenticated attacker with access to the Reporting feature to bypass outbound request restrictions configured by an administrator, causing the reporting service to send requests to network destinations that should be denied by the configured security policy.

Weakness: CWE-863

Which versions are affected by CVE-2026-63142?

2 open source packages ship an affected version, including kibana and elk. It affects 1 product.

Products include Elastic Kibana.

How do I fix CVE-2026-63142?

Upgrade kibana to a fixed version for your release line: 8.19.19, 9.3.8 or 9.4.4.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2026-63142 being exploited?

There is no known exploitation of CVE-2026-63142 in the wild and no public exploit code.

Other vulnerabilities in Elastic Kibana

• CVE-2019-7609 Kibana Arbitrary Code Execution Exploited Critical 9.8
• CVE-2025-25015 Kibana arbitrary code execution via prototype pollution Critical 9.9
• CVE-2024-37288 Deserialization in Kibana Critical 9.9
• CVE-2023-31415 Code injection in Kibana Critical 9.9
• CVE-2018-17245 Information disclosure in Kibana Critical 9.8

All Elastic Kibana vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-elk-2026-63142, BIT-kibana-2026-63142, GHSA-mq6c-w86q-vpp3, MINI-2464-x8xq-mj3w, MINI-28c6-7wc8-gp9g, MINI-6vr2-887g-vr56 and 4 more.