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 originate from the smfnsmfhandleupdatedatainvsmf function 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 a function in the SMF component called...

PT-2026-39565

Name of the Vulnerable Software and Affected Versions Open5GS versions prior to 2.7.8 Description A denial of service issue exists in the SMF component. A remote attacker can trigger this by manipulating the gsm build pdu session establishment accept function within the /src/smf/gsm-build.c file...

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 smf component’s ogsnasparseqosrules function, which may lead...

CVE-2026-8288: Improper Resource Shutdown or Release

A vulnerability was determined in Open5GS up to 2.7.7. This affects the function gsmhandlepdusessionmodificationqosflowdescriptions of the file src/smf/gsm-handler.c of the component SMF. Executing a manipulation of the argument n1SmMsg can lead to denial of service. The attack may be launched...

PT-2026-39594

A vulnerability was determined in Open5GS up to 2.7.7. This affects the function gsm handle pdu session modification qos flow descriptions of the file src/smf/gsm-handler.c of the component SMF. Executing a manipulation of the argument n1SmMsg can lead to denial of service. The attack may be...

CVE-2026-8266: Improper Resource Shutdown or Release

A vulnerability was detected in Open5GS up to 2.7.7. This affects the function gsmbuildpdusessionestablishmentaccept of the file /src/smf/gsm-build.c of the component SMF. The manipulation results in denial of service. The attack can be launched remotely. The exploit is now public and may be used...

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-2026-8249

A flaw has been found in Open5GS up to 2.7.7. The impacted element is the function updateauthorizedpccruleandqos of the file /src/smf/npcf-handler.c of the component SMF. This manipulation causes denial of service. Remote exploitation of the attack is possible. The exploit has been published and...

CVE-2026-8251

A vulnerability was found in Open5GS up to 2.7.7. This impacts the function updateauthorizedpccruleandqos of the file /src/smf/npcf-handler.c of the component SMF. Performing a manipulation results in denial of service. The attack is possible to be carried out remotely. The exploit has been made...

CVE-2026-8252

CVE-2026-8252 affects Open5GS up to version 2.7.7, specifically the SMF component and the function smf_nsmf_handle_create_data_in_hsmf . A manipulation in this area can lead to a null pointer dereference , with the attack possible remotely . Public exploitation has been disclosed and is actionabl...

CVE-2026-8252

A vulnerability was determined in Open5GS up to 2.7.7. Affected is the function smfnsmfhandlecreatedatainhsmf of the component SMF. Executing a manipulation can lead to null pointer dereference. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized...

CVE-2026-8252 Open5GS SMF smf_nsmf_handle_create_data_in_hsmf null pointer dereference

A vulnerability was determined in Open5GS up to 2.7.7. Affected is the function smfnsmfhandlecreatedatainhsmf of the component SMF. Executing a manipulation can lead to null pointer dereference. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized...

CVE-2026-8252 Open5GS SMF smf_nsmf_handle_create_data_in_hsmf null pointer dereference

A vulnerability was determined in Open5GS up to 2.7.7. Affected is the function smfnsmfhandlecreatedatainhsmf of the component SMF. Executing a manipulation can lead to null pointer dereference. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized...

CVE-2026-8252 Open5GS SMF smf_nsmf_handle_create_data_in_hsmf null pointer dereference

A vulnerability was determined in Open5GS up to 2.7.7. Affected is the function smfnsmfhandlecreatedatainhsmf of the component SMF. Executing a manipulation can lead to null pointer dereference. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized...

CVE-2026-8251

CVE-2026-8251 affects Open5GS up to version 2.7.7, targeting the SMF component. The vulnerability resides in the function update_authorized_pcc_rule_and_qos of /src/smf/npcf-handler.c. A manipulation can lead to a denial of service and is described as exploitable remotely. Public exploitation is ...

CVE-2026-8251 Open5GS SMF npcf-handler.c update_authorized_pcc_rule_and_qos denial of service

A vulnerability was found in Open5GS up to 2.7.7. This impacts the function updateauthorizedpccruleandqos of the file /src/smf/npcf-handler.c of the component SMF. Performing a manipulation results in denial of service. The attack is possible to be carried out remotely. The exploit has been made...

CVE-2026-8251 Open5GS SMF npcf-handler.c update_authorized_pcc_rule_and_qos denial of service

A vulnerability was found in Open5GS up to 2.7.7. This impacts the function updateauthorizedpccruleandqos of the file /src/smf/npcf-handler.c of the component SMF. Performing a manipulation results in denial of service. The attack is possible to be carried out remotely. The exploit has been made...

CVE-2026-8251

A vulnerability was found in Open5GS up to 2.7.7. This impacts the function updateauthorizedpccruleandqos of the file /src/smf/npcf-handler.c of the component SMF. Performing a manipulation results in denial of service. The attack is possible to be carried out remotely. The exploit has been made...

CVE-2026-8251 Open5GS SMF npcf-handler.c update_authorized_pcc_rule_and_qos denial of service

A vulnerability was found in Open5GS up to 2.7.7. This impacts the function updateauthorizedpccruleandqos of the file /src/smf/npcf-handler.c of the component SMF. Performing a manipulation results in denial of service. The attack is possible to be carried out remotely. The exploit has been made...