Free5gc 3.2.1 - Information Disclosure

Free5gc 3.2.1 is susceptible to information disclosure. An attacker can possibly obtain sensitive information, modify data, and/or execute unauthorized operations. id: CVE-2022-38870 info: name: Free5gc 3.2.1 - Information Disclosure author: For3stCo1d severity: high description: | Free5gc 3.2.1 ...

CVE-2025-29632

Author: HanyiLuo, Yuqi Huo CVE-2025-29632 关于CVE-2025-29632所涵盖漏洞的信息 受影响版本：4.0.0及更早版本 当free5gc处理InitialUEMessage时，它只检查nASPDU引用是否为nil（即是否为空指针），但未验证nASPDU的内容是否为空。这导致在后续消息解析中调用nassecurity.DecodePlainNasNoIntegrityChecknASPDU.Value时，传递了一个空的字节数组作为参数。在该函数中，由于值为空，访问NAS消息安全头失败，从而导致AMF出错并崩溃。 poc.py：一个利用脚本...

CVE-2026-94043

A vulnerability was determined in Free5GC up to 4.2.3. This vulnerability affects unknown code of the file /corefuzzerdeps/free5gc/NFs/amf/internal/gmm/handler.go of the component Gmm Handler. This manipulation causes race condition. The attack can be initiated remotely. Patch name:...

CVE-2026-94043

Free5GC (up to 4.2.3 ) contains a race condition in the Gmm Handler component, specifically in the file NFs/amf/internal/gmm/handler.go. The vulnerability is exploitable remotely with no authentication or user interaction required. CVSS 3.1 scoring places the base score at 5.3 (MEDIUM) , with imp...

CVE-2026-94043 Free5GC Gmm handler.go race condition

A vulnerability was determined in Free5GC up to 4.2.3. This vulnerability affects unknown code of the file /corefuzzerdeps/free5gc/NFs/amf/internal/gmm/handler.go of the component Gmm Handler. This manipulation causes race condition. The attack can be initiated remotely. Patch name:...

CVE-2026-94043 Free5GC Gmm handler.go race condition

A vulnerability was determined in Free5GC up to 4.2.3. This vulnerability affects unknown code of the file /corefuzzerdeps/free5gc/NFs/amf/internal/gmm/handler.go of the component Gmm Handler. This manipulation causes race condition. The attack can be initiated remotely. Patch name:...

CVE-2026-94043 Free5GC Gmm handler.go race condition

A vulnerability was determined in Free5GC up to 4.2.3. This vulnerability affects unknown code of the file /corefuzzerdeps/free5gc/NFs/amf/internal/gmm/handler.go of the component Gmm Handler. This manipulation causes race condition. The attack can be initiated remotely. Patch name:...

EUVD-2026-83769

A vulnerability was determined in Free5GC up to 4.2.3. This vulnerability affects unknown code of the file /corefuzzerdeps/free5gc/NFs/amf/internal/gmm/handler.go of the component Gmm Handler. This manipulation causes race condition. The attack can be initiated remotely. Patch name:...

CVE-2026-94043: Concurrent Execution using Shared Resource with Improper Synchronization

A vulnerability was determined in Free5GC up to 4.2.3. This vulnerability affects unknown code of the file /corefuzzerdeps/free5gc/NFs/amf/internal/gmm/handler.go of the component Gmm Handler. This manipulation causes race condition. The attack can be initiated remotely. Patch name:...

CVE-2026-47780

free5GC is an open-source implementation of the 5G core network. In 4.2.3 and earlier, HandleCreateEeSubscriptions and HandleQueryeesubscriptions in free5gc/udr internal/sbi/apidatarepository.go validate the ueId path value with a regular expression whose final .+ alternative accepts every...

EUVD-2026-78766

free5GC is an open-source implementation of the 5G core network. In 4.2.3 and earlier, HandleCreateEeSubscriptions and HandleQueryeesubscriptions in free5gc/udr internal/sbi/apidatarepository.go validate the ueId path value with a regular expression whose final .+ alternative accepts every...

CVE-2026-47780 free5GC: UDR Improper ueId validation in free5GC EE subscription handlers allows arbitrary identifier persistence

free5GC is an open-source implementation of the 5G core network. In 4.2.3 and earlier, HandleCreateEeSubscriptions and HandleQueryeesubscriptions in free5gc/udr internal/sbi/apidatarepository.go validate the ueId path value with a regular expression whose final .+ alternative accepts every...

CVE-2026-47780

free5GC UDR (Unified Data Repository, versions 4.2.3 and earlier) contains an improper input validation flaw in HandleCreateEeSubscriptions and HandleQueryeesubscriptions within internal/sbi/api_datarepository.go. The ueId validation regex includes a trailing |.+ alternative that accepts any non-...

CVE-2026-47780 free5GC: UDR Improper ueId validation in free5GC EE subscription handlers allows arbitrary identifier persistence

free5GC is an open-source implementation of the 5G core network. In 4.2.3 and earlier, HandleCreateEeSubscriptions and HandleQueryeesubscriptions in free5gc/udr internal/sbi/apidatarepository.go validate the ueId path value with a regular expression whose final .+ alternative accepts every...

CVE-2026-47780 free5GC: UDR Improper ueId validation in free5GC EE subscription handlers allows arbitrary identifier persistence

free5GC is an open-source implementation of the 5G core network. In 4.2.3 and earlier, HandleCreateEeSubscriptions and HandleQueryeesubscriptions in free5gc/udr internal/sbi/apidatarepository.go validate the ueId path value with a regular expression whose final .+ alternative accepts every...

CVE-2026-47780: Improper Input Validation

free5GC is an open-source implementation of the 5G core network. In 4.2.3 and earlier, HandleCreateEeSubscriptions and HandleQueryeesubscriptions in free5gc/udr internal/sbi/apidatarepository.go validate the ueId path value with a regular expression whose final .+ alternative accepts every...

SUSE CVE-2026-55068

free5GC is an open-source implementation of the 5G core network. In 4.2.2 and earlier, the NRF RegisterNFInstance handler at PUT /nnrf-nfm/v1/nf-instances/nfInstanceID accepts NF Profiles without enforcing UUID format, nfStatus enum values, heartBeatTimer ranges, mandatory profile fields, or...

SUSE CVE-2026-55784

free5GC is an open-source implementation of the 5G core network. In version 1.4.4 and earlier, the AUSF component stores per-subscriber authentication state in a global sync.Map named AUSFContext.UePool in internal/context/context.go, keyed only by SUPI. Every request handled by...

SUSE CVE-2026-55785

free5GC is an open-source implementation of the 5G core network. Prior to 1.4.5, the AUSF component performs cryptographic authentication comparisons in internal/sbi/processor/ueauthentication.go with ordinary equality helpers. Auth5gAkaComfirmRequestProcedure compares RES and XRES with...

SUSE CVE-2026-53551

free5GC is an open-source implementation of the 5G core network. Prior to 1.4.5, the free5GC AUSF Authentication Server Function does not validate the supiOrSuci field in UE authentication requests. Null bytes \x00 and other control characters pass through JSON parsing unchanged and are forwarded...