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CVE-2026-1684

Good to know:

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Date: January 30, 2026

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.

Severity Score

Related Resources (8)

https://vuldb.com/?submit.739655
https://vuldb.com/?submit.739656
https://vuldb.com/?id.343477
https://vuldb.com/?ctiid.343477
https://github.com/free5gc/free5gc/issues/806
https://nvd.nist.gov/vuln/detail/CVE-2026-1684
https://github.com/free5gc/smf/pull/188
https://www.mend.io/vulnerability-database/CVE-2026-1684

Severity Score

Weakness Type (CWE)

Improper Resource Shutdown or Release

CWE-404

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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