PT-2026-29280 · Floragunn · Search Guard Flx

Published 2026-03-31 · Updated 2026-03-31 · CVE-2026-4818

Mitre

CVSS v3.1

6.8

Medium

AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

In Search Guard FLX versions from 3.0.0 up to 4.0.1, there exists an issue which allows users without the necessary privileges to execute some management operations against data streams.

Fix

Improper Authorization

Missing Authorization

Weakness Enumeration

CWE-285

CWE-862

Related Identifiers

CVE-2026-4818

Affected Products

Search Guard Flx

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-4818 · Security Note
• https://search-guard.com/cve-advisory · Note
• https://docs.search-guard.com/latest/changelog-searchguard-flx-4_1_0 · Note