CVE-2026-0543
Improper Input Validation in Kibana Email Connector Leading to Excessive Allocation
Summary
Improper Input Validation in Kibana Email Connector Leading to Excessive Allocation
Original description
The description as published by the source.
Improper Input Validation (CWE-20) in Kibana's Email Connector can allow an attacker to cause an Excessive Allocation (CAPEC-130) through a specially crafted email address parameter. This requires an attacker to have authenticated access with view-level privileges sufficient to execute connector actions. The application attempts to process specially crafted email format, resulting in complete service unavailability for all users until manual restart is performed.
Affected packages
Bitnami
elk
[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"8.19.10"},{"introduced":"9.0.0"},{"fixed":"9.1.10"},{"introduced":"9.2.0"},{"fixed":"9.2.4"}]}]
Bitnami
kibana
[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"8.19.10"},{"introduced":"9.0.0"},{"fixed":"9.1.10"},{"introduced":"9.2.0"},{"fixed":"9.2.4"}]}]
References
- advisory nvd.nist.gov
- advisory github.com
- web discuss.elastic.co