A vulnerability was found in Free5GC SMF up to 4.1.0. Affected by this issue is the function HandleReports of the file /internal/context/pfcp_reports.go of the component PFCP UDP Endpoint. The manipulation results in denial of service. The attack can be executed remotely. It is advisable to implement a patch to correct this issue.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.001.

Exploitation poc

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Free5GC SMF affected
Version Status Constraints
4.0 affected —
4.1.0 affected —

Configuration 1 [-]

cpe:2.3:a:free5gc:free5gc:*:*:*:*:*:*:*:*

No data.

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Vendors Products
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Smf Subscribe

Project Subscriptions

Vendors Products
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Smf Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/free5gc/free5gc/issues/806 cve-icon cve-icon
https://github.com/free5gc/smf/pull/188 cve-icon cve-icon
https://vuldb.com/?ctiid.343477 cve-icon cve-icon
https://vuldb.com/?id.343477 cve-icon cve-icon
https://vuldb.com/?submit.739655 cve-icon cve-icon
https://vuldb.com/?submit.739656 cve-icon cve-icon
History

Tue, 17 Feb 2026 19:30:00 +0000

Type Values Removed Values Added
First Time appeared Free5gc free5gc
CPEs cpe:2.3:a:free5gc:free5gc:*:*:*:*:*:*:*:*
Vendors & Products Free5gc free5gc

Tue, 03 Feb 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Free5gc
Free5gc smf
Vendors & Products Free5gc
Free5gc smf

Fri, 30 Jan 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Fri, 30 Jan 2026 14:45:00 +0000

Type Values Removed Values Added
Description A vulnerability was found in Free5GC SMF up to 4.1.0. Affected by this issue is the function HandleReports of the file /internal/context/pfcp_reports.go of the component PFCP UDP Endpoint. The manipulation results in denial of service. The attack can be executed remotely. It is advisable to implement a patch to correct this issue.
Title Free5GC SMF PFCP UDP Endpoint pfcp_reports.go HandleReports denial of service
Weaknesses CWE-404
References
Metrics cvssV2_0

{'score': 5, 'vector': 'AV:N/AC:L/Au:N/C:N/I:N/A:P/E:ND/RL:OF/RC:C'}

cvssV3_0

{'score': 5.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C'}

cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-01-30T14:59:58.236Z

Reserved: 2026-01-30T07:35:57.699Z

Link: CVE-2026-1684

cve-icon Vulnrichment

Updated: 2026-01-30T14:59:21.557Z

cve-icon NVD

Status : Analyzed

Published: 2026-01-30T15:16:08.790

Modified: 2026-02-17T19:22:07.557

Link: CVE-2026-1684

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-02T09:27:29Z

Weaknesses