PT-2026-29273 · Elastic+1 · Search Guard Kibana Plugin+1

Published 2026-03-31 · Updated 2026-03-31 · CVE-2026-4799

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Search Guard FLX versions through 4.0.1

Description A specially crafted request can redirect a user to an untrusted URL. This issue affects the Search Guard Kibana Plugin.

Recommendations Update to a version later than 4.0.1.

Fix

Open Redirect

Weakness Enumeration

CWE-601

Related Identifiers

CVE-2026-4799

Affected Products

Search Guard Flx

Search Guard Kibana Plugin

References · 5

• https://search-guard.com/cve-advisory · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-4799 · Security Note
• https://twitter.com/CVEnew/status/2039004429387538829 · Twitter Post
• https://docs.search-guard.com/latest/changelog-searchguard-flx-4_1_0 · Note
• https://twitter.com/cyberbivash/status/2039013826629169514 · Twitter Post