CVE-2026-4799

Medium

Description

In Search Guard FLX up to version 4.0.1, it is possible to use specially crafted requests to redirect the user to an untrusted URL.

SeverityMedium
CVSS4.3
Exploit probability—
ProductSearch-guard Flx
PublishedMar 31, 2026
First seenMar 31, 2026

How to fix

Update
  • search-guard flx4.1.0 or later

Affected products

ProductAffected versionsFixed in
search-guard flxv < 4.1.04.1.0

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

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