GO-2026-5278 free5GC PCF: Memory Leak via CORS Middleware Registration in HTTP Handler Leads to Denial of Service in github.com/free5gc/pcf

free5GC PCF: Memory Leak via CORS Middleware Registration in HTTP Handler Leads to Denial of Service in github.com/free5gc/pcf...

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-2026-44317

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...

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-2026-44316

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...

EUVD-2026-32552

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-2026-44317

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 代码问题漏洞

free5GC is an open-source project for the 5th generation 5G mobile core network. Versions of free5GC prior to 4.2.2 contained code vulnerabilities. These vulnerabilities stemmed from null pointer dereferencing in the PCF’s app-sessions handler under certain conditions, which could lead to a 500...

CVE-2026-8222

A vulnerability has been found in Open5GS up to 2.7.7. Affected is the function pcfnbsfmanagementhandleregister of the file src/pcf/nbsf-handler.c of the component sm-policies Endpoint. Such manipulation leads to denial of service. The attack may be performed from remote. The exploit has been...

CVE-2026-8248 Open5GS SMF npcf-handler.c update_authorized_pcc_rule_and_qos denial of service

A vulnerability was detected in Open5GS up to 2.7.7. The affected element is the function updateauthorizedpccruleandqos of the file /src/smf/npcf-handler.c of the component SMF. The manipulation results in denial of service. The attack may be launched remotely. The exploit is now public and may b...

EUVD-2026-28959

A vulnerability has been found in Open5GS up to 2.7.7. Affected is the function pcfnbsfmanagementhandleregister of the file src/pcf/nbsf-handler.c of the component sm-policies Endpoint. Such manipulation leads to denial of service. The attack may be performed from remote. The exploit has been...

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...

CVE-2026-8222

A vulnerability has been found in Open5GS up to 2.7.7. Affected is the function pcfnbsfmanagementhandleregister of the file src/pcf/nbsf-handler.c of the component sm-policies Endpoint. Such manipulation leads to denial of service. The attack may be performed from remote. The exploit has been...

CVE-2026-8224

Open5GS PCF component (up to 2.7.7) is affected by CVE-2026-8224 via the function pcf_sess_set_ipv6prefix in src/pcf/context.c. An attacker can manipulate SmPolicyContextData.ipv6AddressPrefix to trigger a denial of service. The issue is exploitable remotely, and public exploit information has be...

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...

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...

CVE-2026-8223 Open5GS sm-policies Endpoint pcf_sess_sbi_discover_and_send denial of service

A vulnerability was found in Open5GS up to 2.7.7. Affected by this vulnerability is the function pcfsesssbidiscoverandsend of the component sm-policies Endpoint. Performing a manipulation results in denial of service. It is possible to initiate the attack remotely. The exploit has been made publi...

CVE-2026-8223

A vulnerability was found in Open5GS up to 2.7.7. Affected by this vulnerability is the function pcfsesssbidiscoverandsend of the component sm-policies Endpoint. Performing a manipulation results in denial of service. It is possible to initiate the attack remotely. The exploit has been made publi...

CVE-2026-8222

A vulnerability has been found in Open5GS up to 2.7.7. Affected is the function pcfnbsfmanagementhandleregister of the file src/pcf/nbsf-handler.c of the component sm-policies Endpoint. Such manipulation leads to denial of service. The attack may be performed from remote. The exploit has been...

PT-2026-39440

Name of the Vulnerable Software and Affected Versions Open5GS versions prior to 2.7.8 Description A remote denial of service can be triggered in the sm-policies endpoint. The issue exists within the pcf nbsf management handle register function located in the src/pcf/nbsf-handler.c file...