CVE-2026-26935 — Improper Input Validation in Kibana Leading to Denial of Service

CVE-2026-26935

Improper Input Validation in Kibana Leading to Denial of Service PUBLISHED

Description (CNA)

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)

Affected (CNA)

Vendor / product	Versions
Elastic / Kibana	affected 9.3.0 through 9.3.0; affected 8.4.0 through 8.19.11; affected 9.0.0 through 9.2.5

CWE

CWE-20

References

https://discuss.elastic.co/t/kibana-8-19-12-9-2-6-9-3-1-security-update-esa-2026-13/385249

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.