Medium severity5.3NVD Advisory· Published Apr 22, 2026· Updated Apr 23, 2026
CVE-2026-41136
CVE-2026-41136
Description
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.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/free5gc/amfGo | <= 1.4.3 | — |
Affected products
2Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
4- github.com/free5gc/free5gc/security/advisories/GHSA-r99v-75p9-xqm5nvdExploitVendor AdvisoryWEB
- github.com/advisories/GHSA-r99v-75p9-xqm5ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-41136ghsaADVISORY
- github.com/free5gc/amf/releases/tag/v1.4.3nvdProductRelease NotesWEB
News mentions
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