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CVE-2026-4799

MEDIUM CVSS 3.1: 4.3 EPSS 0.03%
Updated Apr 03, 2026
Search-Guard
Parameter Value
CVSS 4.3 (MEDIUM)
Affected Versions before 4.1.0
Fixed In 4.1.0
Type CWE-601 (Open Redirect)
Vendor Search-Guard
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Search-Guard Flx
cpe:2.3:a:search-guard:flx:*:*:*:*:*:*:*:*
4.1.0