PT-2026-5590

A vulnerability was detected in Open5GS up to 2.7.6. The affected element is the function sgwc s5c handle create bearer request of the file /src/sgwc/s5c-handler.c of the component CreateBearerRequest Handler. Performing a manipulation results in reachable assertion. Remote exploitation of the...

CVE-2026-1521 Open5GS SGWC s5c-handler.c denial of service

A security flaw has been discovered in Open5GS up to 2.7.6. This affects the function sgwcs5chandlebearerresourcefailureindication of the file src/sgwc/s5c-handler.c of the component SGWC. Performing a manipulation results in denial of service. The attack can be initiated remotely. The exploit ha...

CVE-2026-1521

Open5GS SGWC component: vulnerability in sgwc_s5c_handle_bearer_resource_failure_indication (src/sgwc/s5c-handler.c) can be triggered remotely to cause denial of service. Public exploit exists. Patch available and named 69b53add90a9479d7960b822fc60601d659c328b; apply the official fix to mitigate.

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 operation in the function sgwcs5chandlecreatesessionresponse...