CVE-2026-42459

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, the free5GC UDM component fails to validate the supi path parameter in six GET handlers of the nudm-sdm Subscriber Data Management service. An unauthenticated attacker can inject control characters into the SUPI...

EUVD-2026-27148

A weakness has been identified in Open5GS up to 2.7.7. Affected by this vulnerability is the function udmstateoperational of the file /src/udm/udm-sm.c of the component smf-registrations Endpoint. Executing a manipulation can lead to denial of service. The attack can be executed remotely. The...

CVE-2026-7781

A security vulnerability has been detected in Open5GS up to 2.7.7. Affected by this issue is the function udmnudmuecmhandleamfregistrationupdate of the file /src/udm/nudm-handler.c of the component amf-3gpp-access Endpoint. The manipulation leads to denial of service. The attack is possible to be...

CVE-2026-7781 Open5GS amf-3gpp-access Endpoint nudm-handler.c udm_nudm_uecm_handle_amf_registration_update denial of service

A security vulnerability has been detected in Open5GS up to 2.7.7. Affected by this issue is the function udmnudmuecmhandleamfregistrationupdate of the file /src/udm/nudm-handler.c of the component amf-3gpp-access Endpoint. The manipulation leads to denial of service. The attack is possible to be...

CVE-2026-7781

A security vulnerability has been detected in Open5GS up to 2.7.7. Affected by this issue is the function udmnudmuecmhandleamfregistrationupdate of the file /src/udm/nudm-handler.c of the component amf-3gpp-access Endpoint. The manipulation leads to denial of service. The attack is possible to be...

CVE-2026-7781

Open5GS

CVE-2026-7780

A weakness has been identified in Open5GS up to 2.7.7. Affected by this vulnerability is the function udmstateoperational of the file /src/udm/udm-sm.c of the component smf-registrations Endpoint. Executing a manipulation can lead to denial of service. The attack can be executed remotely. The...

CVE-2026-7780 Open5GS smf-registrations Endpoint udm-sm.c udm_state_operational denial of service

A weakness has been identified in Open5GS up to 2.7.7. Affected by this vulnerability is the function udmstateoperational of the file /src/udm/udm-sm.c of the component smf-registrations Endpoint. Executing a manipulation can lead to denial of service. The attack can be executed remotely. The...

CVE-2026-7780 Open5GS smf-registrations Endpoint udm-sm.c udm_state_operational denial of service

A weakness has been identified in Open5GS up to 2.7.7. Affected by this vulnerability is the function udmstateoperational of the file /src/udm/udm-sm.c of the component smf-registrations Endpoint. Executing a manipulation can lead to denial of service. The attack can be executed remotely. The...

CVE-2026-7780

Open5GS vulnerability CVE-2026-7780 affects the smf-registrations Endpoint, specifically the udm_state_operational function in /src/udm/udm-sm.c, up to version 2.7.7. The issue allows remote manipulation that can lead to a denial of service. A public exploit has been made available, and the proje...

CVE-2026-7779

A security flaw has been discovered in Open5GS up to 2.7.7. Affected is the function udmnudrdrhandlesubscriptionauthentication of the file /src/udm/nudr-handler.c of the component authentication-subscription Endpoint. Performing a manipulation results in denial of service. Remote exploitation of...

PT-2026-36928

Name of the Vulnerable Software and Affected Versions Open5GS versions prior to 2.7.8 Description A remote flaw exists in the udm state operational function within the /src/udm/udm-sm.c file of the 'smf-registrations' endpoint. Manipulation of this component can lead to a denial of service...

Open5GS 安全漏洞

Open5GS is an open-source implementation of 5G Core and EPC in C language, which serves as the core network for LTE/NR networks. Versions of Open5GS 2.7.7 and earlier contain security vulnerabilities. These vulnerabilities stem from issues with the smf-registrations endpoint in the function...

SUSE CVE-2026-33064

Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. Versions prior to 1.4.2 are vulnerable to procedure panic caused by Nil Pointer Dereference in the /sdm-subscriptions endpoint. A remote attacker can cause the UDM service to panic and crash by sending ...

Linux Distros Unpatched Vulnerability : CVE-2026-33191

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. Versions prior to 1.4.2 are vulnerable to null byte injection in...

Linux Distros Unpatched Vulnerability : CVE-2026-33064

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. Versions prior to 1.4.2 are vulnerable to procedure panic caused ...

Improper Neutralization of Null Byte or NUL Character

Overview Affected versions of this package are vulnerable to Improper Neutralization of Null Byte or NUL Character via the URL path parameter handling process. An attacker can cause the application to return a 500 Internal Server Error by injecting a null byte into the URL path parameter...

Missing Default Case in Switch Statement

Overview Affected versions of this package are vulnerable to Missing Default Case in Switch Statement in the DataChangeNotification process due to a nil pointer dereference. An attacker can cause a panic and disrupt service availability by triggering this process with crafted input. Remediation...

Information Exposure

Overview Affected versions of this package are vulnerable to Information Exposure due to improper handling of the supi path parameter in the DELETE sdm-subscriptions request. An attacker can cause the service to return an unexpected error response by sending a request with an empty supi parameter...

GO-2026-4757 free5GC UDM DataChangeNotification Procedure Panic Due to Nil Pointer Dereference in github.com/free5gc/udm

free5GC UDM DataChangeNotification Procedure Panic Due to Nil Pointer Dereference in github.com/free5gc/udm...