PT-2026-39251

Name of the Vulnerable Software and Affected Versions free5GC versions prior to 4.2.2 Description The Session Management Function SMF in free5GC mounts the UPI management route group without inbound OAuth2 middleware, allowing unauthenticated access. The POST endpoint '/upi/v1/upNodesLinks' accep...

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

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-2026-7780 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-2025-56568

Assertion failure vulnerability in the PCO Protocol Configuration Options parser in the SMF Session Management Function component of Open5GS before v2.7.5 allows remote attackers to cause denial of service via specially crafted NGAP messages containing malformed length fields in protocol...

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...

CVE-2025-56568

Assertion failure vulnerability in the PCO Protocol Configuration Options parser in the SMF Session Management Function component of Open5GS before v2.7.5 allows remote attackers to cause denial of service via specially crafted NGAP messages containing malformed length fields in protocol...

PT-2026-36167

Name of the Vulnerable Software and Affected Versions Open5GS versions prior to 2.7.5 Description An assertion failure in the PCO Protocol Configuration Options parser within the SMF Session Management Function component allows remote attackers to cause a denial of service. This occurs when the...

CVE-2026-4988 Open5GS CCA Message smf_s6b denial of service

A security flaw has been discovered in Open5GS 2.7.6. This issue affects the function smfgxccacb/smfgyccacb/smfs6b of the component CCA Message Handler. The manipulation results in denial of service. The attack may be launched remotely. Attacks of this nature are highly complex. The exploitabilit...

NULL Pointer Dereference

Overview Affected versions of this package are vulnerable to NULL Pointer Dereference via the PFCP SessionReportRequest process when ReportType.DLDR is set but the DownlinkDataReport information element is missing. An attacker can cause the process to terminate unexpectedly by sending a specially...

CVE-2026-26024 free5GC SMF crash (nil pointer dereference) on PFCP SessionReportRequest when ReportType.USAR=1 and UsageReport omits mandatory URRID sub-IE 

free5GC SMF provides Session Management Function for free5GC, an open-source project for 5th generation 5G mobile core networks. In versions up to and including 1.4.1, SMF panics and terminates when processing a malformed PFCP SessionReportRequest on the PFCP UDP/8805 interface. No known upstrea...

CVE-2026-25501 free5GC SMF crash (nil pointer dereference) on PFCP SessionReportRequest when ReportType.DLDR is set but DownlinkDataReport IE is missing

free5GC SMF provides Session Management Function for free5GC, an open-source project for 5th generation 5G mobile core networks. In versions up to and including 1.4.1, SMF panics due to nil pointer dereference and the SMF process terminates. This is triggered by a malformed PFCP...

CVE-2025-69232

CVE-2025-69232 affects free5GC go-upf up to version 1.2.6 and free5gc smf up to 1.4.0. It is an Improper Input Validation and Protocol Compliance vulnerability that can cause Denial of Service: a remote attacker sends a malformed PFCP Association Setup Request, which UPF accepts and enters an inc...

PT-2026-21564

Name of the Vulnerable Software and Affected Versions free5GC go-upf versions prior to 1.2.8 Description The go-upf component of free5GC, a User Plane Function UPF implementation for 5G networks, contains a Heap-based Buffer Overflow. A specially crafted PFCP Session Modification Request with an...

CVE-2026-2517

A security flaw has been discovered in Open5GS up to 2.7.6. This vulnerability affects the function ogsgtp2parsetft in the library lib/gtp/v2/types.c of the component SMF. Performing a manipulation of the argument pf0.content.length results in denial of service. The attack is possible to be carri...

CVE-2026-2523

Open5GS Open5GS (up to 2.7.6) is affected in the SMF path, specifically the smf_gn_handle_create_pdp_context_request function in src/smf/gn-handler.c. The issue is a manipulation that leads to a reachable assertion, allowing remote exploitation. Public exploits exist and disclosure occurred with ...

CVE-2026-2523

A vulnerability was detected in Open5GS up to 2.7.6. The affected element is the function smfgnhandlecreatepdpcontextrequest of the file /src/smf/gn-handler.c of the component SMF. The manipulation results in reachable assertion. It is possible to launch the attack remotely. The exploit is now...