CVE-2026-41135

free5GC UDR is the Policy Control Function PCF for free5GC, an an open-source project for 5th generation 5G mobile core networks. A memory leak vulnerability in versions prior to 1.4.3 allows any unauthenticated attacker with network access to the PCF SBI interface to cause uncontrolled memory...

CVE-2026-44316

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's PCF POST /npcf-smpolicycontrol/v1/sm-policies handler HandleCreateSmPolicyRequest panics with a nil-pointer dereference when a downstream OpenAPI consumer call UDR lookup returns 404 Not Found and the...

CVE-2026-44316

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's PCF POST /npcf-smpolicycontrol/v1/sm-policies handler HandleCreateSmPolicyRequest panics with a nil-pointer dereference when a downstream OpenAPI consumer call UDR lookup returns 404 Not Found and the...

CVE-2026-42083

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, PCF NpcfSMPolicyControl missing authentication middleware allows unauthenticated access to SM policy handlers and disclosure of subscriber SUPI. In NewServer, the smPolicyGroup route group is created and routes are...

CVE-2026-42083 free5GC: PCF Npcf_SMPolicyControl missing authentication middleware allows unauthenticated access to SM policy handlers and disclosure of subscriber SUPI

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, PCF NpcfSMPolicyControl missing authentication middleware allows unauthenticated access to SM policy handlers and disclosure of subscriber SUPI. In NewServer, the smPolicyGroup route group is created and routes are...

EUVD-2026-32555

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, PCF NpcfSMPolicyControl missing authentication middleware allows unauthenticated access to SM policy handlers and disclosure of subscriber SUPI. In NewServer, the smPolicyGroup route group is created and routes are...

CVE-2026-42083

CVE-2026-42083 affects free5GC PCF Npcf_SMPolicyControl where missing router authorization middleware in the smPolicyGroup allowed unauthenticated access to SM policy endpoints (e.g., POST /npcf-smpolicycontrol/v1/sm-policies, GET /sm-policies/{id}, POST /sm-policies/{id}/update, POST /sm-policie...

CVE-2026-42083 free5GC: PCF Npcf_SMPolicyControl missing authentication middleware allows unauthenticated access to SM policy handlers and disclosure of subscriber SUPI

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, PCF NpcfSMPolicyControl missing authentication middleware allows unauthenticated access to SM policy handlers and disclosure of subscriber SUPI. In NewServer, the smPolicyGroup route group is created and routes are...

CVE-2026-44316 free5GC: PCF npcf-smpolicycontrol POST /sm-policies panics on downstream UDR/OpenAPI 404 via nil pointer dereference

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's PCF POST /npcf-smpolicycontrol/v1/sm-policies handler HandleCreateSmPolicyRequest panics with a nil-pointer dereference when a downstream OpenAPI consumer call UDR lookup returns 404 Not Found and the...

CVE-2026-44316

The CVE describes a nil-pointer dereference in free5GC PCF (POST /npcf-smpolicycontrol/v1/sm-policies) HandleCreateSmPolicyRequest. When a downstream OpenAPI (UDR) lookup returns 404 and the wrapper returns err != nil with a nil response, the code logs the error but does not return, then derefere...

CVE-2026-44317 free5GC: PCF npcf-policyauthorization POST /app-sessions panics on suppFeat=1 with missing AfRoutReq via nil pointer dereference

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's PCF POST /npcf-policyauthorization/v1/app-sessions handler panics on a single authenticated request whose ascReqData.suppFeat == "1" enabling traffic-routing feature negotiation and whose medComponents...

EUVD-2026-32551

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's PCF POST /npcf-policyauthorization/v1/app-sessions handler panics on a single authenticated request whose ascReqData.suppFeat == "1" enabling traffic-routing feature negotiation and whose medComponents...

free5GC 安全漏洞

free5GC is an open-source project for the 5th generation 5G mobile core network. Versions of free5GC prior to 4.2.2 contained security vulnerabilities. These vulnerabilities stemmed from the absence of authentication middleware in the PCF NpcfSMPolicyControl component, which could allow...

free5GC 安全漏洞

free5GC is an open-source project for the 5th generation 5G mobile core network. Versions of free5GC prior to 4.2.2 contained security vulnerabilities. These vulnerabilities stemmed from the PCF’s HandleCreateSmPolicyRequest handler, which encountered a null pointer dereferencing when UDR returne...

CVE-2026-8224

A vulnerability was determined in Open5GS up to 2.7.7. Affected by this issue is the function pcfsesssetipv6prefix of the file /src/pcf/context.c of the component PCF. Executing a manipulation of the argument SmPolicyContextData.ipv6AddressPrefix can lead to denial of service. It is possible to...

EUVD-2026-28960

A vulnerability was determined in Open5GS up to 2.7.7. Affected by this issue is the function pcfsesssetipv6prefix of the file /src/pcf/context.c of the component PCF. Executing a manipulation of the argument SmPolicyContextData.ipv6AddressPrefix can lead to denial of service. It is possible to...

CVE-2026-8225 Open5GS delete Endpoint sm-sm.c pcf_npcf_smpolicycontrol_handle_delete denial of service

A vulnerability was identified in Open5GS up to 2.7.7. This affects the function pcfnpcfsmpolicycontrolhandledelete of the file src/pcf/sm-sm.c of the component delete Endpoint. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit is publicly available an...

CVE-2026-8225

Open5GS up to version 2.7.7 is affected by CVE-2026-8225. The vulnerability resides in the function pcf_npcf_smpolicycontrol_handle_delete within src/pcf/sm-sm.c of the delete Endpoint, where a manipulation leads to a denial of service. The issue is exploitable remotely and publicly available exp...

CVE-2026-8225

A vulnerability was identified in Open5GS up to 2.7.7. This affects the function pcfnpcfsmpolicycontrolhandledelete of the file src/pcf/sm-sm.c of the component delete Endpoint. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit is publicly available an...

CVE-2026-8224 Open5GS PCF context.c pcf_sess_set_ipv6prefix denial of service

A vulnerability was determined in Open5GS up to 2.7.7. Affected by this issue is the function pcfsesssetipv6prefix of the file /src/pcf/context.c of the component PCF. Executing a manipulation of the argument SmPolicyContextData.ipv6AddressPrefix can lead to denial of service. It is possible to...