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

CVE-2026-33065 affects Free5GC UDM (core network component) prior to version 1.4.2. When handling DELETE requests with an empty supi path (e.g., // in the URL), UDM forwards the malformed request to UDR (which returns 400) but UDM propagates it as 500 SYSTEM_FAILURE, leaking internal error handli...

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-2026-33064 free5GC UDM DataChangeNotification Procedure Panic Due to Nil Pointer Dereference

Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. Versions prior to 1.4.2 are vulnerable to procedure panic caused by Nil Pointer Dereference in the /sdm-subscriptions endpoint. A remote attacker can cause the UDM service to panic and crash by sending ...

CVE-2026-33064

Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. Versions prior to 1.4.2 are vulnerable to procedure panic caused by Nil Pointer Dereference in the /sdm-subscriptions endpoint. A remote attacker can cause the UDM service to panic and crash by sending ...

CVE-2026-33064 free5GC UDM DataChangeNotification Procedure Panic Due to Nil Pointer Dereference

Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. Versions prior to 1.4.2 are vulnerable to procedure panic caused by Nil Pointer Dereference in the /sdm-subscriptions endpoint. A remote attacker can cause the UDM service to panic and crash by sending ...

CVE-2026-33064

CVE-2026-33064 (Free5GC UDM) affects Free5GC prior to 1.4.2. A crafted POST to /sdm-subscriptions with path traversal and a large JSON payload can trigger a nil pointer dereference in DataChangeNotificationProcedure (notifier.go), causing the UDM service to panic and crash. Impact is disruption o...

CVE-2026-33064 free5GC UDM DataChangeNotification Procedure Panic Due to Nil Pointer Dereference

Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. Versions prior to 1.4.2 are vulnerable to procedure panic caused by Nil Pointer Dereference in the /sdm-subscriptions endpoint. A remote attacker can cause the UDM service to panic and crash by sending ...

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...

CVE-2026-33191

CVE-2026-33191 affects Free5GC UDM (Nudm_SubscriberDataManagement API) where null byte injections in the supi URL path parameter (URL-encoded %00) trigger Go’s net/url parsing error, leading to a 500 Internal Server Error and enabling denial-of-service conditions. Multiple sources confirm the iss...

CVE-2026-33062

free5GC is an open source 5G core network. free5GC NRF prior to version 1.4.2 has an Improper Input Validation vulnerability leading to Denial of Service. All deployments of free5GC using the NRF discovery service are affected. The EncodeGroupId function attempts to access array indices 0, 1, 2...

CVE-2026-32937

free5GC is an open source 5G core network. free5GC CHF prior to version 1.2.2 has an out-of-bounds slice access vulnerability in the CHF nchf-convergedcharging service. A valid authenticated request to PUT /nchf-convergedcharging/v3/recharging/:ueId?ratingGroup=... can trigger a server-side panic...

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...