CVE-2026-41136
free5GC AMF missing default case in Content-Type switch in HTTPUEContextTransfer
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
free5GC AMF provides Access & Mobility Management Function (AMF) for free5GC, an an open-source project for 5th generation (5G) mobile core networks. Prior to version 1.4.3, the `HTTPUEContextTransfer` handler in `internal/sbi/api_communication.go` does not include a `default` case in the `Content-Type` switch statement. When a request arrives with an unsupported `Content-Type`, the deserialization step is silently skipped, `err` remains `nil`, and the processor is invoked with a completely uninitialized `UeContextTransferRequest` object. Version 1.4.3 contains a fix.
| CWE | CWE-440 |
| Vendor | free5gc |
| Product | amf |
| Published | Apr 21, 2026 |
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Affected Versions
free5gc / amf
< 1.4.3