medium6.5
CVE-2026-26934
Improper Validation of Specified Quantity in Input (CWE-1284) in Kibana can allow an authenticated attacker with view-only privileges to cause a Denial of Serv…
Impact
Improper Validation of Specified Quantity in Input (CWE-1284) in Kibana can allow an authenticated attacker with view-only privileges to cause a Denial of Service via Input Data Manipulation (CAPEC-153). An attacker can send a specially crafted, malformed payload causing excessive resource consumption and resulting in Kibana becoming unresponsive or crashing.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Elastic | Kibana | from 8.18.0 before 8.19.12 from 9.0.0 before 9.2.6 Version 9.3.0 |