EUVD-2026-32576

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF PATCH /3gpp-pfd-management/v1/afId/transactions/transId/applications/appId handler panics with a nil-pointer dereference when the upstream UDR call fails AND the consumer wrapper returns err != nil...

CVE-2026-44326

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the 3gpp-traffic-influence API without inbound OAuth2/bearer-token authorization. A network attacker who can reach NEF on the SBI can create, read, patch, and delete traffic-influence subscriptio...

CVE-2026-44326

CVE-2026-44326 affects free5gc NEF 3gpp-traffic-influence API. Prior to version 4.2.2, the NEF mounts the 3gpp-traffic-influence endpoint without inbound OAuth2/bearer-token authorization. An unauthenticated or forged-token request reachable on the SBI can create, read, patch, and delete traffic-...

CVE-2026-44327 free5GC: NEF nnef-oam route group is unauthenticated; no-token requests reach the OAM handler

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the nnef-oam route group without inbound OAuth2/bearer-token authorization. A network attacker who can reach NEF on the SBI can hit the OAM route with no Authorization header at all and the handl...

CVE-2026-44330

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the nnef-pfdmanagement route group without inbound OAuth2/bearer-token authorization. A network attacker who can reach NEF on the SBI can use a forged or arbitrary bearer token e.g. Authorization...

free5GC 安全漏洞

free5GC is an open-source project for the 5th generation 5G mobile core network. Versions of free5GC prior to 4.2.2 contained security vulnerabilities. These vulnerabilities stemmed from the lack of inbound OAuth2/bearer-token authorization when the NEF module mounted the nnef-oam routing group...

free5GC's NEF nnef-pfdmanagement API is unauthenticated; forged bearer tokens can read PFD data and create/delete PFD subscriptions

Summary free5GC's NEF mounts the nnef-pfdmanagement route group without inbound OAuth2/bearer-token authorization. A network attacker who can reach NEF on the SBI can use a forged or arbitrary bearer token e.g. Authorization: Bearer not-a-real-token to read PFD application data via GET...

Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization in the nnef-oam route group due to missing inbound authentication and authorization checks. An attacker can gain unauthorized access to administrative operations by sending unauthenticated requests to the exposed...

Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization in the nnef-oam route group due to missing inbound authentication and authorization checks. An attacker can gain unauthorized access to administrative operations by sending unauthenticated requests to the exposed...

Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization in the nnef-oam route group due to missing inbound authentication and authorization checks. An attacker can gain unauthorized access to administrative operations by sending unauthenticated requests to the exposed...

GHSA-CMPJ-2X3G-M7G3 free5GC's NEF nnef-oam route group is unauthenticated; no-token requests reach the OAM handler

Summary free5GC's NEF mounts the nnef-oam route group without inbound OAuth2/bearer-token authorization. A network attacker who can reach NEF on the SBI can hit the OAM route with no Authorization header at all and the handler returns 200 OK. The current OAM handler is a stub that returns null, b...

Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization in the 3gpp-traffic-influence API route group, which lacks inbound authorization checks. An attacker can create, read, modify, or delete traffic-influence subscriptions by sending unauthenticated or forged requests...

Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization in the 3gpp-traffic-influence API route group, which lacks inbound authorization checks. An attacker can create, read, modify, or delete traffic-influence subscriptions by sending unauthenticated or forged requests...

Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization via the nnef-callback route group, which lacks inbound authentication and authorization checks. An attacker can access sensitive business logic and potentially manipulate subscription state by submitting forged...

Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization via the nnef-callback route group, which lacks inbound authentication and authorization checks. An attacker can access sensitive business logic and potentially manipulate subscription state by submitting forged...

free5GC's NEF nnef-callback route group is unauthenticated; forged callback requests are accepted into the processing path

Summary 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 handler -- the callback body is parsed and dispatched into NEF business...

PT-2026-39252

Name of the Vulnerable Software and Affected Versions free5GC versions prior to 4.2.2 Description The Network Exposure Function NEF in free5GC contains a nil-pointer dereference issue within the PatchIndividualApplicationPFDManagement function. This occurs when a PATCH request is sent to the...

PT-2026-39260

Name of the Vulnerable Software and Affected Versions free5GC version 4.2.1 Description The Network Exposure Function NEF mounts the nnef-pfdmanagement route group without inbound OAuth2 or bearer-token authorization. This allows a network attacker with access to the Service-Based Interface SBI t...

PT-2026-39245

Name of the Vulnerable Software and Affected Versions free5GC versions prior to 4.2.2 Description The Network Exposure Function NEF in free5GC mounts the '3gpp-pfd-management' API without inbound OAuth2 or bearer-token authorization. A network attacker with access to the Service Based Interface S...

PT-2026-39257

Name of the Vulnerable Software and Affected Versions free5GC versions prior to 4.2.2 Description The Network Exposure Function NEF mounts the 'nnef-oam' route group without requiring inbound OAuth2 or bearer-token authorization. A network attacker with access to the NEF on the Service Based...