CVE-2026-4799 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Floragunn	Search Guard Flx
Search-guard	Flx

Configuration 1 [-]

cpe:2.3:a:search-guard:flx:*:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://docs.search-guard.com/latest/changelog-searchguard-flx-4_1_0
https://search-guard.com/cve-advisory/

History

Fri, 03 Apr 2026 15:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Search-guard Search-guard flx
CPEs		cpe:2.3:a:search-guard:flx::::::::
Vendors & Products		Search-guard Search-guard flx

Wed, 01 Apr 2026 02:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Floragunn Floragunn search Guard Flx
Vendors & Products		Floragunn Floragunn search Guard Flx

Tue, 31 Mar 2026 18:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Tue, 31 Mar 2026 15:00:00 +0000

Type	Values Removed	Values Added
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.
Title		Open redirect vulnerability in Search Guard Kibana Plugin via manipulated requests
Weaknesses		CWE-601
References		https://docs.search-guard.com/latest/changelog-searchguard-flx-4_1_0 https://search-guard.com/cve-advisory/
Metrics		cvssV3_1 `{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N'}`

MITRE

Status: PUBLISHED

Assigner: floragunn

Published: 2026-03-31T14:41:05.646Z

Updated: 2026-03-31T17:20:02.797Z

Reserved: 2026-03-25T08:43:23.387Z

Link: CVE-2026-4799

Vulnrichment

Updated: 2026-03-31T17:19:58.969Z

NVD

Status : Analyzed

Published: 2026-03-31T15:16:21.137

Modified: 2026-04-03T15:20:31.917

Link: CVE-2026-4799

Redhat

No data.

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