A vulnerability has been found in Free5GC SMF up to 4.1.0. Affected by this vulnerability is the function HandlePfcpSessionReportRequest of the file internal/pfcp/handler/handler.go of the component PFCP. The manipulation leads to denial of service. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. To fix this issue, it is recommended to deploy a patch.

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 0.00076.

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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Project Subscriptions

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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/804 cve-icon cve-icon
https://github.com/free5gc/free5gc/issues/804#issue-3816086696 cve-icon cve-icon
https://github.com/free5gc/smf/pull/188 cve-icon cve-icon
https://vuldb.com/?ctiid.343476 cve-icon cve-icon
https://vuldb.com/?id.343476 cve-icon cve-icon
https://vuldb.com/?submit.739653 cve-icon cve-icon
https://vuldb.com/?submit.739654 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 14:15:00 +0000

Type Values Removed Values Added
Description A vulnerability has been found in Free5GC SMF up to 4.1.0. Affected by this vulnerability is the function HandlePfcpSessionReportRequest of the file internal/pfcp/handler/handler.go of the component PFCP. The manipulation leads to denial of service. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. To fix this issue, it is recommended to deploy a patch.
Title Free5GC SMF PFCP handler.go HandlePfcpSessionReportRequest 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:POC/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:P/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:P/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:P'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-01-30T14:48:18.216Z

Reserved: 2026-01-30T07:35:38.819Z

Link: CVE-2026-1683

cve-icon Vulnrichment

Updated: 2026-01-30T14:47:51.146Z

cve-icon NVD

Status : Analyzed

Published: 2026-01-30T14:16:07.323

Modified: 2026-02-17T19:23:47.940

Link: CVE-2026-1683

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-02T09:27:25Z

Weaknesses