CVE-2026-8121: Improper Resource Shutdown or Release

A vulnerability has been found in Open5GS up to 2.7.7. The impacted element is the function ogssbiparseplmnlist in the library /lib/sbi/conv.c of the component NSSF. The manipulation leads to denial of service. The attack is possible to be carried out remotely. The exploit has been disclosed to t...

Open5GS security vulnerabilities

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 the function ogssbistreamfindbyid in the component NSSF...

PT-2026-38603

Name of the Vulnerable Software and Affected Versions Open5GS versions prior to 2.7.8 Description A flaw in the NSSF component allows a local attacker to cause a denial of service through manipulation of the ogs sbi stream find by id function within the /lib/sbi/nghttp2-server.c library...

Open5GS security vulnerabilities

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 the function ogssbiparseplmnlist in the component NSSF’s...

CVE-2026-8119: Improper Resource Shutdown or Release

A vulnerability was detected in Open5GS up to 2.7.7. Impacted is the function ogssbistreamfindbyid in the library /lib/sbi/nghttp2-server.c of the component NSSF. Performing a manipulation results in denial of service. Attacking locally is a requirement. The exploit is now public and may be used...

PT-2026-38605

Name of the Vulnerable Software and Affected Versions Open5GS versions prior to 2.7.8 Description A remote denial of service can occur in the NSSF component due to the manipulation of the ogs sbi parse plmn list function located in the /lib/sbi/conv.c library. Recommendations At the moment, there...

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-2026-7707

A vulnerability was found in Open5GS up to 2.7.7. Impacted is the function udrnudrdrhandlesubscriptioncontext of the file /src/udr/nudr-handler.c of the component UDR. The manipulation of the argument pei results in denial of service. The attack can be launched remotely. The exploit has been made...

CVE-2026-7585

A vulnerability was determined in Open5GS up to 2.7.7. The impacted element is the function amfnudmsdmhandleprovisioned of the file /src/amf/nudm-handler.c of the component AMF. Executing a manipulation can lead to denial of service. The attack can be launched remotely. The exploit has been...

CVE-2026-7706

A vulnerability has been found in Open5GS up to 2.7.7. This issue affects the function gmmhandleservicerequest of the file /src/amf/gmm-handler.c of the component AMF. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit has been disclosed to the public a...

EUVD-2026-27151

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...

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 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-2026-7781 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 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-2026-7780 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 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...