CVE-2026-8121 Open5GS NSSF conv.c ogs_sbi_parse_plmn_list denial of service

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...

PT-2026-38606

Name of the Vulnerable Software and Affected Versions Open5GS versions prior to 2.7.8 Description A remote denial of service issue exists in the NSSF component. The flaw is located in the ogs sbi discovery option add service names function within the /lib/sbi/message.c library, where specific...

Open5GS 安全漏洞

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...

Open5GS 安全漏洞

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...

NSSF panic due to nil pointer dereference when expiry field is omitted in NSSAIAvailability POST

An issue was discovered in Free5GC v4.0.0 and v4.0.1 allowing an attacker to cause a denial of service via crafted POST request to the NnssfNSSAIAvailability API...