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Vulnerability Details CVE-2026-41136

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 7.3%
CVSS Severity
CVSS v3 Score 5.3
Products affected by CVE-2026-41136
  • Free5gc » Amf » Version: 1.0.0
    cpe:2.3:a:free5gc:amf:1.0.0
  • Free5gc » Amf » Version: 1.0.1
    cpe:2.3:a:free5gc:amf:1.0.1
  • Free5gc » Amf » Version: 1.0.2
    cpe:2.3:a:free5gc:amf:1.0.2
  • Free5gc » Amf » Version: 1.1.0
    cpe:2.3:a:free5gc:amf:1.1.0
  • Free5gc » Amf » Version: 1.1.1
    cpe:2.3:a:free5gc:amf:1.1.1
  • Free5gc » Amf » Version: 1.2.0
    cpe:2.3:a:free5gc:amf:1.2.0
  • Free5gc » Amf » Version: 1.2.1
    cpe:2.3:a:free5gc:amf:1.2.1
  • Free5gc » Amf » Version: 1.2.2
    cpe:2.3:a:free5gc:amf:1.2.2
  • Free5gc » Amf » Version: 1.2.3
    cpe:2.3:a:free5gc:amf:1.2.3
  • Free5gc » Amf » Version: 1.2.4
    cpe:2.3:a:free5gc:amf:1.2.4
  • Free5gc » Amf » Version: 1.2.5
    cpe:2.3:a:free5gc:amf:1.2.5
  • Free5gc » Amf » Version: 1.2.6
    cpe:2.3:a:free5gc:amf:1.2.6
  • Free5gc » Amf » Version: 1.2.7
    cpe:2.3:a:free5gc:amf:1.2.7
  • Free5gc » Amf » Version: 1.3.0
    cpe:2.3:a:free5gc:amf:1.3.0
  • Free5gc » Amf » Version: 1.3.1
    cpe:2.3:a:free5gc:amf:1.3.1
  • Free5gc » Amf » Version: 1.3.2
    cpe:2.3:a:free5gc:amf:1.3.2
  • Free5gc » Amf » Version: 1.4.0
    cpe:2.3:a:free5gc:amf:1.4.0
  • Free5gc » Amf » Version: 1.4.1
    cpe:2.3:a:free5gc:amf:1.4.1
  • Free5gc » Free5gc » Version: 1.1.1
    cpe:2.3:a:free5gc:free5gc:1.1.1
  • Free5gc » Free5gc » Version: 3.0.1
    cpe:2.3:a:free5gc:free5gc:3.0.1
  • Free5gc » Free5gc » Version: 3.0.2
    cpe:2.3:a:free5gc:free5gc:3.0.2
  • Free5gc » Free5gc » Version: 3.0.3
    cpe:2.3:a:free5gc:free5gc:3.0.3
  • Free5gc » Free5gc » Version: 3.0.4
    cpe:2.3:a:free5gc:free5gc:3.0.4
  • Free5gc » Free5gc » Version: 3.0.5
    cpe:2.3:a:free5gc:free5gc:3.0.5
  • Free5gc » Free5gc » Version: 3.0.6
    cpe:2.3:a:free5gc:free5gc:3.0.6
  • Free5gc » Free5gc » Version: 3.0.7
    cpe:2.3:a:free5gc:free5gc:3.0.7
  • Free5gc » Free5gc » Version: 3.1.0
    cpe:2.3:a:free5gc:free5gc:3.1.0
  • Free5gc » Free5gc » Version: 3.1.1
    cpe:2.3:a:free5gc:free5gc:3.1.1
  • Free5gc » Free5gc » Version: 3.2.0
    cpe:2.3:a:free5gc:free5gc:3.2.0
  • Free5gc » Free5gc » Version: 3.2.1
    cpe:2.3:a:free5gc:free5gc:3.2.1
  • Free5gc » Free5gc » Version: 3.3.0
    cpe:2.3:a:free5gc:free5gc:3.3.0
  • Free5gc » Free5gc » Version: 3.4.0
    cpe:2.3:a:free5gc:free5gc:3.4.0
  • Free5gc » Free5gc » Version: 3.4.1
    cpe:2.3:a:free5gc:free5gc:3.4.1
  • Free5gc » Free5gc » Version: 3.4.2
    cpe:2.3:a:free5gc:free5gc:3.4.2
  • Free5gc » Free5gc » Version: 3.4.3
    cpe:2.3:a:free5gc:free5gc:3.4.3
  • Free5gc » Free5gc » Version: 3.4.4
    cpe:2.3:a:free5gc:free5gc:3.4.4
  • Free5gc » Free5gc » Version: 3.4.5
    cpe:2.3:a:free5gc:free5gc:3.4.5
  • Free5gc » Free5gc » Version: 4.0.0
    cpe:2.3:a:free5gc:free5gc:4.0.0
  • Free5gc » Free5gc » Version: 4.0.1
    cpe:2.3:a:free5gc:free5gc:4.0.1
  • Free5gc » Free5gc » Version: 4.1.0
    cpe:2.3:a:free5gc:free5gc:4.1.0


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