CVE-2026-1682

MEDIUM
2026-01-30 [email protected]
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

3
Analysis Generated
Mar 12, 2026 - 22:00 vuln.today
PoC Detected
Feb 23, 2026 - 10:16 vuln.today
Public exploit code
CVE Published
Jan 30, 2026 - 14:16 nvd
MEDIUM 5.3

Tags

Golang Null Pointer Dereference Free5gc

Description

A flaw has been found in Free5GC SMF up to 4.1.0. Affected is the function HandlePfcpAssociationReleaseRequest of the file internal/pfcp/handler/handler.go of the component PFCP UDP Endpoint. Executing a manipulation can lead to null pointer dereference. The attack may be launched remotely. The exploit has been published and may be used. A patch should be applied to remediate this issue.

Analysis

Free5GC SMF versions up to 4.1.0 contain a null pointer dereference in the PFCP UDP endpoint handler that can be triggered remotely without authentication, leading to denial of service. Public exploit code exists for this vulnerability, and no patch is currently available. …

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Remediation

Within 30 days: Identify affected systems running Free5GC SMF and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

47
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +26
POC: +20

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CVE-2026-1682 vulnerability details – vuln.today
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