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

Impact This is an Improper Error Handling vulnerability with Information Exposure implications. - Security Impact: 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 leaks intern...

free5GC UDM DataChangeNotification Procedure Panic Due to Nil Pointer Dereference

Impact This is a NULL Pointer Dereference vulnerability leading to Denial of Service. - Security Impact: A remote attacker can cause the UDM service to panic and crash by sending a crafted POST request to the /sdm-subscriptions endpoint with a malformed URL path containing path traversal sequence...

GHSA-7C47-XR7Q-P6HG free5GC NRF Discovery EncodeGroupId Function Panics on Malformed group-id-list Parameter

Impact This is an Improper Input Validation vulnerability leading to Denial of Service. - Security Impact: A remote attacker can cause the NRF service to panic and crash by sending a crafted HTTP GET request with a malformed group-id-list parameter. This results in complete denial of service for...

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...

PT-2026-26208

Name of the Vulnerable Software and Affected Versions Free5GC versions prior to 1.4.2 Description Free5GC is an open-source 5G mobile core network project. Versions prior to 1.4.2 are susceptible to a null byte injection issue in URL path parameters. A remote attacker can inject null bytes...

CVE-2025-69250

free5gc UDM provides Unified Data Management UDM for free5GC, an open-source project for 5th generation 5G mobile core networks. In versions up to and including 1.4.1, the service reliably leaks detailed internal error messages e.g., strconv.ParseInt parsing errors to remote clients when processi...

CVE-2025-69252

free5gc UDM provides Unified Data Management UDM for free5GC, an open-source project for 5th generation 5G mobile core networks. Versions up to and including 1.4.1 have a NULL Pointer Dereference vulnerability. Remote unauthenticated attackers can trigger a service panic Denial of Service by...

CVE-2026-27642

free5gc UDM provides Unified Data Management UDM for free5GC, an open-source project for 5th generation 5G mobile core networks. In versions up to and including 1.4.1, remote attackers can inject control characters e.g., %00 into the supi parameter, triggering internal URL parsing errors net/url:...

CVE-2025-69251

free5gc UDM provides Unified Data Management UDM for free5GC, an open-source project for 5th generation 5G mobile core networks. In versions up to and including 1.4.1, remote attackers can inject control characters e.g., %00 into the ueId parameter, triggering internal URL parsing errors net/url:...

CVE-2025-69253

free5GC is an open-source project for 5th generation 5G mobile core networks. Versions up to and including 1.4.1 of the User Data Repository are affected by Improper Error Handling with Information Exposure. The NEF component reliably leaks internal parsing error details e.g., invalid character '...

CVE-2026-27643

free5GC UDR is the user data repository UDR for free5GC, an an open-source project for 5th generation 5G mobile core networks. In versions up to and including 1.4.1, the NEF component reliably leaks internal parsing error details e.g., invalid character 'n' after top-level value to remote clients...

CVE-2026-26025

free5GC SMF provides Session Management Function for free5GC, an open-source project for 5th generation 5G mobile core networks. In versions up to and including 1.4.1, SMF panics and terminates when processing a malformed PFCP SessionReportRequest on the PFCP UDP/8805 interface. No known upstrea...

CVE-2026-26024

free5GC SMF provides Session Management Function for free5GC, an open-source project for 5th generation 5G mobile core networks. In versions up to and including 1.4.1, SMF panics and terminates when processing a malformed PFCP SessionReportRequest on the PFCP UDP/8805 interface. No known upstrea...

CVE-2025-69247

free5GC go-upf is the User Plane Function UPF implementation for 5G networks that is part of the free5GC project. Versions prior to 1.2.8 have a Heap-based Buffer Overflow CWE-122 vulnerability leading to Denial of Service. Remote attackers can crash the UPF network element by sending a specially...

CVE-2025-69208

free5GC UDR is the user data repository UDR for free5GC, an an open-source project for 5th generation 5G mobile core networks. Versions prior to 1.4.1 contain an Improper Error Handling vulnerability with Information Exposure. All deployments of free5GC using the NnefPfdManagement service may be...

CVE-2025-69232

free5GC is an open-source project for 5th generation 5G mobile core networks. free5GC go-upf versions up to and including 1.2.6, corresponding to free5gc smf up to and including 1.4.0, have an Improper Input Validation and Protocol Compliance vulnerability leading to Denial of Service. Remote...

CVE-2025-69248

free5GC is an open-source project for 5th generation 5G mobile core networks. Versions up to and including 1.4.1 of free5GC's AMF service have a Buffer Overflow vulnerability leading to Denial of Service. Remote unauthenticated attackers can crash the AMF service by sending a specially crafted NA...

CVE-2026-26024

free5GC SMF provides Session Management Function for free5GC, an open-source project for 5th generation 5G mobile core networks. In versions up to and including 1.4.1, SMF panics and terminates when processing a malformed PFCP SessionReportRequest on the PFCP UDP/8805 interface. No known upstrea...

CVE-2026-26025

free5GC SMF provides Session Management Function for free5GC, an open-source project for 5th generation 5G mobile core networks. In versions up to and including 1.4.1, SMF panics and terminates when processing a malformed PFCP SessionReportRequest on the PFCP UDP/8805 interface. No known upstrea...

CVE-2026-27643

free5GC UDR is the user data repository UDR for free5GC, an an open-source project for 5th generation 5G mobile core networks. In versions up to and including 1.4.1, the NEF component reliably leaks internal parsing error details e.g., invalid character 'n' after top-level value to remote clients...