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...

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-2026-33063 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

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...

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: Generation of Error Message Containing Sensitive Information

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: Generation of Error Message Containing Sensitive Information

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...

free5GC 安全漏洞

free5GC is an open-source project for the 5th generation 5G mobile core network. Versions of free5GC prior to 1.4.2 contained security vulnerabilities. These vulnerabilities stemmed from UDM’s improper handling of PATCH requests with empty supi path parameters. UDM incorrectly converted downstrea...

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...

UBUNTU-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...

free5GC 代码问题漏洞

free5GC is an open-source project for the 5th generation 5G mobile core network. Versions of free5GC prior to 1.4.2 contained code vulnerabilities. These vulnerabilities stemmed from improper null pointer checks in the GetSupiFromSuciSupiMap function, which could lead to denial-of-service attacks...