In Search Guard FLX versions from 1.0.0 up to 4.0.1, the audit logging feature might log user credentials from users logging into Kibana.
https://search-guard.com/cve-advisory/
https://docs.search-guard.com/latest/changelog-searchguard-flx-4_1_0
Source: Mitre, NVD
Published: 2026-03-31
Updated: 2026-03-31
Base Score: 6.1
Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:N/A:N
Severity: Medium
Base Score: 4.9
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N