CVE-2026-53551

The vulnerability CVE-2026-53551 affects free5GC AUSF prior to version 1.4.5, where the supiOrSuci field in UE authentication requests is not validated. Null bytes (\x00) and other control characters pass through JSON parsing and are forwarded to the UDM in an unescaped URL path, causing Go’s net...

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-2026-33063

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

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 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...

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/...

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...

PT-2026-26185

Name of the Vulnerable Software and Affected Versions free5GC versions prior to 1.4.2 free5GC version 4.0.1 Description free5GC is an open source 5G core network. A flaw exists in the AUSF component where an improper null check can lead to a denial of service. Specifically, the...

EUVD-2024-53450

Malicious code in bioql PyPI...

CVE-2024-56921

An issue was discovered in Open5gs v2.7.2. InitialUEMessage, Registration request sent at a specific time can crash AMF due to incorrect error handling of gmmstateexception function upon receipt of the NausfUEAuthenticationAuthenticate response...

CVE-2024-56921

An issue was discovered in Open5gs v2.7.2. InitialUEMessage, Registration request sent at a specific time can crash AMF due to incorrect error handling of gmmstateexception function upon receipt of the NausfUEAuthenticationAuthenticate response...