CVE-2026-53551

free5GC is an open-source implementation of the 5G core network. Prior to 1.4.5, the free5GC AUSF Authentication Server Function does not validate the supiOrSuci field in UE authentication requests. Null bytes \x00 and other control characters pass through JSON parsing unchanged and are forwarded...

CVE-2026-8745

A vulnerability was identified in Open5GS up to 2.7.7. Affected by this vulnerability is the function ogstimeradd in the library /src/ausf/nausf-handler.c of the component AUSF. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit is publicly available an...

CVE-2026-8745

A vulnerability was identified in Open5GS up to 2.7.7. Affected by this vulnerability is the function ogstimeradd in the library /src/ausf/nausf-handler.c of the component AUSF. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit is publicly available an...

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 ogstimeradd function in the nausf-handler.c file within the...

PT-2026-41537

A vulnerability was identified in Open5GS up to 2.7.7. Affected by this vulnerability is the function ogs timer add in the library /src/ausf/nausf-handler.c of the component AUSF. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit is publicly available...

EUVD-2026-20509

OpenAirInterface Version 2.2.0 has a Buffer Overflow vulnerability in processing UplinkNASTransport containing Authentication Response containing a NAS PDU with oversize response For example 100 byte. The response is decoded by AMF and passed to the AUSF component for verification. AUSF crashes o...

CVE-2026-30075

OpenAirInterface Version 2.2.0 has a Buffer Overflow vulnerability in processing UplinkNASTransport containing Authentication Response containing a NAS PDU with oversize response For example 100 byte. The response is decoded by AMF and passed to the AUSF component for verification. AUSF crashes o...

CVE-2026-33063

free5GC is an open source 5G core network. free5GC AUSF prior to version 1.4.2 has is an Improper Null Check vulnerability leading to Denial of Service. All deployments of free5GC v4.0.1 using the AUSF UE authentication service /nausf-auth/v1/ue-authentications endpoint are affected. A remote...

CVE-2026-33063

CVE-2026-33063 affects free5GC AUSF prior to 1.4.2. The vulnerability is an improper nil check in GetSupiFromSuciSupiMap, which can panic when SuciSupiMap is nil, causing the AUSF authentication service to crash and deny service for deployments using the UE authentication endpoint /nausf-auth/v1/...

CVE-2026-33063 free5GC AUSF UE Authentication Panic on Nil SuciSupiMap Interface Conversion

free5GC is an open source 5G core network. free5GC AUSF prior to version 1.4.2 has is an Improper Null Check vulnerability leading to Denial of Service. All deployments of free5GC v4.0.1 using the AUSF UE authentication service /nausf-auth/v1/ue-authentications endpoint are affected. A remote...

GHSA-4JRW-92FG-4JWX free5GC AUSF UE Authentication Panic on Nil SuciSupiMap Interface Conversion

Impact This is an Improper Null Check vulnerability leading to Denial of Service. - Security Impact: A remote attacker can cause the AUSF service to panic and crash by sending a crafted UE authentication request that triggers a nil interface conversion in the GetSupiFromSuciSupiMap function. This...