CVE-2026-4799
Received Received - Intake
Open Redirect Vulnerability in Search Guard FLX

Publication date: 2026-03-31

Last updated on: 2026-04-03

Assigner: floragunn GmbH

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.
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Meta Information
Published
2026-03-31
Last Modified
2026-04-03
Generated
2026-06-16
AI Q&A
2026-03-31
EPSS Evaluated
2026-06-14
NVD
CVE-2026-4799
EUVD
EUVD-2026-17474
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
search-guard flx to 4.1.0 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-601 The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.
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Executive Summary

This vulnerability exists in Search Guard FLX up to version 4.0.1 and allows an attacker to use specially crafted requests to redirect a user to an untrusted URL.

Impact Analysis

The vulnerability can impact you by causing users to be redirected to potentially malicious or untrusted websites, which could lead to phishing attacks or exposure to harmful content.

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