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-2026-7779

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...

CVE-2026-7779 Open5GS authentication-subscription Endpoint nudr-handler.c udm_nudr_dr_handle_subscription_authentication denial of service

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...

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...

CVE-2026-7779

Open5GS up to 2.7.7 is affected by a vulnerability in udm_nudr_dr_handle_subscription_authentication (file /src/udm/nudr-handler.c) within the authentication-subscription Endpoint. Manipulation of this function can cause a denial of service; remote exploitation is possible and an exploit has been...

EUVD-2026-27143

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...

CVE-2026-7779 Open5GS authentication-subscription Endpoint nudr-handler.c udm_nudr_dr_handle_subscription_authentication denial of service

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...

CVE-2026-7779 Open5GS authentication-subscription Endpoint nudr-handler.c udm_nudr_dr_handle_subscription_authentication denial of service

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...

CVE-2026-7586

A weakness has been identified in Open5GS up to 2.7.7. Affected is the function ogsidgetvalue of the file /src/amf/nudm-handler.c of the component AMF. This manipulation causes denial of service. Remote exploitation of the attack is possible. The exploit has been made available to the public and...

CVE-2026-7535

A vulnerability was found in Open5GS up to 2.7.7. This affects the function amfnamfcommhandleregistrationstatusupdaterequest in the library /lib/app/ogs-init.c of the file /namf-comm/v1/ue-contexts/ueContextId/transfer-update. Performing a manipulation of the argument ueContextId results in denia...

CVE-2026-7601

A vulnerability has been found in Open5GS up to 2.7.6. Affected is an unknown function of the file src/amf/gmm-handler.c of the component AMF. The manipulation of the argument regtype leads to denial of service. The attack is possible to be carried out remotely. Upgrading to version 2.7.7 is able...

CVE-2025-46115

An issue in open5gs v.2.7.3 allows a remote attacker to cause a denial of service via a crafted PDU Session Modification Request...

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 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 issues with the authentication-subscription endpoint in the...

CVE-2026-7779: Improper Resource Shutdown or Release

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-2026-36930

Name of the Vulnerable Software and Affected Versions Open5GS versions prior to 2.7.8 Description A remote denial of service can be triggered via the udm nudm uecm handle amf registration update function within the /src/udm/nudm-handler.c file of the amf-3gpp-access endpoint. Recommendations As a...

CVE-2026-7781: Improper Resource Shutdown or Release

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: Improper Resource Shutdown or Release

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...