medium6.5
CVE-2026-26940
Improper Validation of Specified Quantity in Input (CWE-1284) in the Timelion visualization plugin in Kibana can lead Denial of Service via Excessive Allocatio…
Impact
Improper Validation of Specified Quantity in Input (CWE-1284) in the Timelion visualization plugin in Kibana can lead Denial of Service via Excessive Allocation (CAPEC-130). The vulnerability allows an authenticated user to send a specially crafted Timelion expression that overwrites internal series data properties with an excessively large quantity value.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Elastic | Kibana | from 8.0.0 before 8.19.13 from 9.0.0 before 9.2.7 from 9.3.0 before 9.3.2 |