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...

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...

CVE-2026-25501

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 due to nil pointer dereference and the SMF process terminates. This is triggered by a malformed PFCP...

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 '...

EUVD-2026-7462

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-2026-27643 free5GC has improper error handling in NEF with information exposure

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-2026-27643

CVE-2026-27643 affects free5GC UDR, where the NEF component in versions up to and including 1.4.1 leaks internal parsing error details to remote clients, aiding service fingerprinting. All deployments using the Nnef_PfdManagement service may be affected. A patch is available in free5gc/udr PR #56...

CVE-2026-27643 free5GC has improper error handling in NEF with information exposure

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...

Information Exposure

Overview Affected versions of this package are vulnerable to Information Exposure in the NnefPfdManagement process. An attacker can obtain internal parsing error details by sending crafted requests that trigger error conditions, which may allow them to fingerprint server software and logic flows...

CVE-2026-27642 free5GC has Improper Input Validation in UDM UEAU Service

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-2026-27642 free5GC has Improper Input Validation in UDM UEAU Service

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-2026-27642 free5GC has Improper Input Validation in UDM UEAU Service

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:...