CVE-2026-33191

Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. Versions prior to 1.4.2 are vulnerable to null byte injection in URL path parameters. A remote attacker can inject null bytes URL-encoded as %00 into the supi path parameter of the UDM's...

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...

Linux Distros Unpatched Vulnerability : CVE-2026-33065

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. In versions prior to 1.4.2, the UDM incorrectly converts a...

Linux Distros Unpatched Vulnerability : CVE-2026-33191

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. Versions prior to 1.4.2 are vulnerable to null byte injection in...

Information Exposure

Overview Affected versions of this package are vulnerable to Information Exposure due to improper handling of the supi path parameter in the DELETE sdm-subscriptions request. An attacker can cause the service to return an unexpected error response by sending a request with an empty supi parameter...

Information Exposure

Overview Affected versions of this package are vulnerable to Information Exposure in the supi path parameter handling process. An attacker can cause the service to return a 500 Internal Server Error by sending a PATCH request to the sdm-subscriptions endpoint with an empty supi path parameter...

NULL Pointer Dereference

Overview Affected versions of this package are vulnerable to NULL Pointer Dereference in the UEAuthentication process when a nil SuciSupiMap interface is converted. An attacker can cause the application to panic and terminate unexpectedly by sending specially crafted authentication requests...

GO-2026-4758 free5GC UDM incorrectly returns 500 for empty supi path parameter in DELETE sdm-subscriptions request in github.com/free5gc/udm

free5GC UDM incorrectly returns 500 for empty supi path parameter in DELETE sdm-subscriptions request in github.com/free5gc/udm...

CVE-2026-33065

Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. In versions prior to 1.4.2, the UDM incorrectly converts a downstream 400 Bad Request from UDR into a 500 Internal Server Error when handling DELETE requests with an empty supi path parameter. This leak...

CVE-2026-33192 free5GC UDM incorrectly returns 500 for empty supi path parameter in PATCH sdm-subscriptions reques

Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. In versions prior to 1.4.2, the UDM incorrectly converts a downstream 400 Bad Request from UDR into a 500 Internal Server Error when handling PATCH requests with an empty supi path parameter...

CVE-2026-33192

Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. In versions prior to 1.4.2, the UDM incorrectly converts a downstream 400 Bad Request from UDR into a 500 Internal Server Error when handling PATCH requests with an empty supi path parameter...

CVE-2026-33192 free5GC UDM incorrectly returns 500 for empty supi path parameter in PATCH sdm-subscriptions reques

Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. In versions prior to 1.4.2, the UDM incorrectly converts a downstream 400 Bad Request from UDR into a 500 Internal Server Error when handling PATCH requests with an empty supi path parameter...

CVE-2026-33192 free5GC UDM incorrectly returns 500 for empty supi path parameter in PATCH sdm-subscriptions reques

Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. In versions prior to 1.4.2, the UDM incorrectly converts a downstream 400 Bad Request from UDR into a 500 Internal Server Error when handling PATCH requests with an empty supi path parameter...

CVE-2026-33192

CVE-2026-33192 — Free5GC UDM PATCH handling issue : In Free5GC UDM (pre-1.4.2), PATCH requests with an empty supi path parameter can trigger internal misbehavior: a 400 from UDR is converted to 500, and PATCH is inappropriately translated to PUT when forwarded to UDR. This reveals internal error ...

CVE-2026-33065 free5GC UDM incorrectly returns 500 for empty supi path parameter in DELETE sdm-subscriptions request

Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. In versions prior to 1.4.2, the UDM incorrectly converts a downstream 400 Bad Request from UDR into a 500 Internal Server Error when handling DELETE requests with an empty supi path parameter. This leak...

CVE-2026-33065

Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. In versions prior to 1.4.2, the UDM incorrectly converts a downstream 400 Bad Request from UDR into a 500 Internal Server Error when handling DELETE requests with an empty supi path parameter. This leak...

CVE-2026-33065 free5GC UDM incorrectly returns 500 for empty supi path parameter in DELETE sdm-subscriptions request

Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. In versions prior to 1.4.2, the UDM incorrectly converts a downstream 400 Bad Request from UDR into a 500 Internal Server Error when handling DELETE requests with an empty supi path parameter. This leak...

CVE-2026-33191 free5GC UDM vulnerable to null byte injection in URL path parameters causing 500 Internal Server Error

Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. Versions prior to 1.4.2 are vulnerable to null byte injection in URL path parameters. A remote attacker can inject null bytes URL-encoded as %00 into the supi path parameter of the UDM's...

CVE-2026-33191 free5GC UDM vulnerable to null byte injection in URL path parameters causing 500 Internal Server Error

Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. Versions prior to 1.4.2 are vulnerable to null byte injection in URL path parameters. A remote attacker can inject null bytes URL-encoded as %00 into the supi path parameter of the UDM's...

CVE-2026-33191

Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. Versions prior to 1.4.2 are vulnerable to null byte injection in URL path parameters. A remote attacker can inject null bytes URL-encoded as %00 into the supi path parameter of the UDM's...