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 operation of the ogssbidiscoveryoptionparseplmnlist function...

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 unknown functions in the NRF component’s...

Open5GS buffer error vulnerability

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 a buffer error vulnerability. This vulnerability stems from the reuse of a resource after it has been released in the...

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 ogssbisubscriptiondataadd and ogssbinfserviceadd functions i...

CVE-2026-8744: Improper Resource Shutdown or Release

A vulnerability was determined in Open5GS up to 2.7.7. Affected is the function ogssbisubscriptiondataadd/ogssbinfserviceadd in the library /lib/sbi/context.c of the component NRF. Executing a manipulation can lead to denial of service. It is possible to launch the attack remotely. The exploit ha...

PT-2026-41535

A vulnerability was found in Open5GS up to 2.7.6. This impacts the function ran ue find by amf ue ngap id of the file src/amf/context.c of the component AMF/MME. Performing a manipulation results in improper authorization. It is possible to initiate the attack remotely. The exploit has been made...

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 ogssbiclientadd function in the library/lib/sbi/client.c...

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 2.7.6 and earlier contain security vulnerabilities. These vulnerabilities stem from the ogssbinfinstancesetid function in the...

CVE-2026-8746: Use After Free

A security flaw has been discovered in Open5GS up to 2.7.7. Affected by this issue is the function discoverhandler in the library /lib/sbi/nghttp2-server.c of the component NRF. The manipulation results in use after free. The attack can be launched remotely. The exploit has been released to the...

CVE-2026-8728: Improper Resource Shutdown or Release

A security vulnerability has been detected in Open5GS up to 2.7.7. The impacted element is the function ogssbidiscoveryoptionparseplmnlist in the library /lib/sbi/conv.c of the component NRF. Such manipulation of the argument target-plmn-list leads to denial of service. The attack can be executed...

CVE-2026-8729: Improper Resource Shutdown or Release

A vulnerability was detected in Open5GS up to 2.7.7. This affects an unknown function in the library /lib/sbi/message.c of the component NRF. Performing a manipulation of the argument service-names/snssais results in denial of service. The attack is possible to be carried out remotely. The exploi...

PT-2026-41536

A vulnerability was determined in Open5GS up to 2.7.7. Affected is the function ogs sbi subscription data add/ogs sbi nf service add in the library /lib/sbi/context.c of the component NRF. Executing a manipulation can lead to denial of service. It is possible to launch the attack remotely. The...

CVE-2026-8731: Improper Resource Shutdown or Release

A vulnerability has been found in Open5GS up to 2.7.7. Affected is the function ogssbiclientadd in the library /lib/sbi/client.c of the component NRF. The manipulation of the argument clientpool leads to denial of service. It is possible to initiate the attack remotely. The exploit has been...

PT-2026-41514

A security vulnerability has been detected in Open5GS up to 2.7.7. The impacted element is the function ogs sbi discovery option parse plmn list in the library /lib/sbi/conv.c of the component NRF. Such manipulation of the argument target-plmn-list leads to denial of service. The attack can be...

CVE-2026-8743: Improper Authorization

A vulnerability was found in Open5GS up to 2.7.6. This impacts the function ranuefindbyamfuengapid of the file src/amf/context.c of the component AMF/MME. Performing a manipulation results in improper authorization. It is possible to initiate the attack remotely. The exploit has been made public...

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-2026-8289

A vulnerability was identified in Open5GS up to 2.7.7. This vulnerability affects the function smfnsmfhandleupdatedatainvsmf of the file /src/smf/nsmf-handler.c of the component SMF. The manipulation of the argument qosFlowProfile leads to denial of service. Remote exploitation of the attack is...

CVE-2026-8248

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...

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-2026-8223

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...