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7.5
Kibana: Malicious Search Queries Can Crash the Application
CVE-2026-26935
Summary
Kibana's search function is not properly checking user input, which could allow an attacker to send a specially crafted search query that crashes the application. This could prevent legitimate users from accessing the search function. To protect against this, update Kibana to the latest version.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| elastic | kibana | > 8.4.0 , <= 8.19.12 | – |
| elastic | kibana | > 9.0.0 , <= 9.2.6 | – |
| elastic | kibana | 9.3.0 | – |
Original title
Improper Input Validation (CWE-20) in the internal Content Connectors search endpoint in Kibana can lead Denial of Service via Input Data Manipulation (CAPEC-153)
Original description
Improper Input Validation (CWE-20) in the internal Content Connectors search endpoint in Kibana can lead Denial of Service via Input Data Manipulation (CAPEC-153)
nvd CVSS3.1
7.5
Vulnerability type
CWE-20
Improper Input Validation
Published: 26 Feb 2026 · Updated: 12 Mar 2026 · First seen: 6 Mar 2026