GO-2026-5209 Free5GC AMF Bypasses UE Security Capabilities on NGAP PathSwitchRequest in github.com/free5gc/amf

Free5GC AMF Bypasses UE Security Capabilities on NGAP PathSwitchRequest in github.com/free5gc/amf...

GO-2026-5142 free5GC's NEF 3gpp-pfd-management API is unauthenticated; forged bearer tokens can create, read, and delete PFD transactions in github.com/free5gc/nef

free5GC's NEF 3gpp-pfd-management API is unauthenticated; forged bearer tokens can create, read, and delete PFD transactions in github.com/free5gc/nef...

GO-2026-5093 free5GC's NEF 3gpp-traffic-influence API is unauthenticated; missing or forged bearer tokens can create, read, patch, and delete subscriptions in github.com/free5gc/nef

free5GC's NEF 3gpp-traffic-influence API is unauthenticated; missing or forged bearer tokens can create, read, patch, and delete subscriptions in github.com/free5gc/nef...

GO-2026-5138 Free5GC UDM has Improper Input Validation and Generation of Error Messages Containing Sensitive Information in github.com/free5gc/udm

Free5GC UDM has Improper Input Validation and Generation of Error Messages Containing Sensitive Information in github.com/free5gc/udm...

PT-2026-83235

Name of the Vulnerable Software and Affected Versions free5GC versions 4.2.2 and earlier Description The RegisterNFInstance handler at the endpoint PUT /nnrf-nfm/v1/nf-instances/nfInstanceID fails to validate NF profiles against 3GPP TS 29.510 constraints. This allows an attacker with Service-Bas...

CVE-2026-47780

creationtimestamp| type| source ---|---|--- 2026-06-10 08:23:38+00:00| published-proof-of-concept| https://github.com/free5gc/free5gc/security/advisories/GHSA-6gxq-gpr8-xgjp...

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/apicommunication.go does not include a default case in the Content-Type switc...

CVE-2026-42081

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, the AMF in Free5GC does not verify the UE Security Capabilities received in NGAP PathSwitchRequest messages against its locally stored values, as mandated by 3GPP TS 33.501 §6.7.3.1. A malicious gNB can overwrite the...

CVE-2026-44318

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's BSF PUT /nbsf-management/v1/subscriptions/subId handler has an unsynchronized write on the global Subscriptions map. The handler first reads the map under RLock via BSFContext.GetSubscriptionsubId, but if t...

CVE-2026-41135

free5GC UDR is the Policy Control Function PCF for free5GC, an an open-source project for 5th generation 5G mobile core networks. A memory leak vulnerability in versions prior to 1.4.3 allows any unauthenticated attacker with network access to the PCF SBI interface to cause uncontrolled memory...

CVE-2026-40247

free5GC is an open-source implementation of the 5G core network. In versions 4.2.1 and below of the UDR service, the handler for reading Traffic Influence Subscriptions checks whether the influenceId path segment equals subs-to-notify, but does not return after sending the HTTP 404 response when...

CVE-2026-40245

Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. Versions 4.2.1 and below contain an information disclosure vulnerability in the UDR Unified Data Repository service. The handler for GET /nudr-dr/v2/application-data/influenceData/subs-to-notify sends a...

CVE-2026-44328

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's SMF mounts the UPI management route group without inbound OAuth2 middleware. On top of that, the DELETE /upi/v1/upNodesLinks/upNodeRef handler unconditionally dereferences upNode.UPF after the type-guarded...

CVE-2026-44320

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the nnef-callback route group without inbound OAuth2/bearer-token authorization. A forged or arbitrary bearer token e.g. Authorization: Bearer not-a-real-token is enough to reach the SMF-callback...

CVE-2026-44315

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the 3gpp-pfd-management API without inbound OAuth2/bearer-token authorization. A network attacker who can reach NEF on the SBI can create, read, and delete PFD-management transaction state with a...

CVE-2026-44316

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's PCF POST /npcf-smpolicycontrol/v1/sm-policies handler HandleCreateSmPolicyRequest panics with a nil-pointer dereference when a downstream OpenAPI consumer call UDR lookup returns 404 Not Found and the...

CVE-2026-44325

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NRF root SBI endpoint POST /oauth2/token contains a parser-level type-confusion bug family. The handler in NFs/nrf/internal/sbi/apiaccesstoken.go reflects over models.NrfAccessTokenAccessTokenReq,...

CVE-2026-44321

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's SMF mounts the UPI management route group without inbound OAuth2 middleware. The POST /upi/v1/upNodesLinks create-or-update handler accepts attacker-controlled JSON and passes it directly into...

CVE-2026-44323

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's UDR nudr-dr DELETE /subscription-data/ueId/servingPlmnId/ee-subscriptions/subsId/amf-subscriptions handler contains a nil-pointer dereference reachable from a single authenticated request, after one...

CVE-2026-44324

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's UDR nudr-dr DELETE /subscription-data/ueId/servingPlmnId/ee-subscriptions/subsId/amf-subscriptions handler panics on a single authenticated request against a fresh UDR instance when the supplied ueId does n...