CVE-2026-4531

| EUVD-2026-14264 MEDIUM
2026-03-22 VulDB
5.3
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

Lifecycle Timeline

4
Analysis Generated
Mar 22, 2026 - 01:45 vuln.today
EUVD ID Assigned
Mar 22, 2026 - 01:45 euvd
EUVD-2026-14264
Patch Released
Mar 22, 2026 - 01:45 nvd
Patch available
CVE Published
Mar 22, 2026 - 01:32 nvd
MEDIUM 5.3

Tags

Denial Of Service

Description

A weakness has been identified in Free5GC 4.1.0. Affected is the function HandleRegistrationComplete of the file internal/gmm/handler.go of the component AMF. Executing a manipulation can lead to denial of service. The attack may be performed from remote. This patch is called 52e9386401ce56ea773c5aa587d4cdf7d53da799. It is best practice to apply a patch to resolve this issue.

Analysis

Free5GC 4.1.0's AMF component is susceptible to a denial of service attack in the HandleRegistrationComplete function that can be exploited remotely without authentication. An attacker can manipulate the registration process to crash or disable the affected service. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Vendor patch is available.

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Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +26
POC: 0

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CVE-2026-4531 vulnerability details – vuln.today
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