CVE-2026-8730 Open5GS NRF context.c ogs_sbi_nf_instance_set_id denial of service

A flaw has been found in Open5GS up to 2.7.6. This impacts the function ogssbinfinstancesetid in the library /lib/sbi/context.c of the component NRF. Executing a manipulation of the argument nfInstanceId can lead to denial of service. The attack may be performed from remote. The exploit has been...

CVE-2026-8730

A flaw has been found in Open5GS up to 2.7.6. This impacts the function ogssbinfinstancesetid in the library /lib/sbi/context.c of the component NRF. Executing a manipulation of the argument nfInstanceId can lead to denial of service. The attack may be performed from remote. The exploit has been...

CVE-2026-8730 Open5GS NRF context.c ogs_sbi_nf_instance_set_id denial of service

A flaw has been found in Open5GS up to 2.7.6. This impacts the function ogssbinfinstancesetid in the library /lib/sbi/context.c of the component NRF. Executing a manipulation of the argument nfInstanceId can lead to denial of service. The attack may be performed from remote. The exploit has been...

CVE-2026-8728 Open5GS NRF conv.c ogs_sbi_discovery_option_parse_plmn_list denial of service

A security vulnerability has been detected in Open5GS up to 2.7.7. The impacted element is the function ogssbidiscoveryoptionparseplmnlist in the library /lib/sbi/conv.c of the component NRF. Such manipulation of the argument target-plmn-list leads to denial of service. The attack can be executed...

CVE-2026-8728

A security vulnerability has been detected in Open5GS up to 2.7.7. The impacted element is the function ogssbidiscoveryoptionparseplmnlist in the library /lib/sbi/conv.c of the component NRF. Such manipulation of the argument target-plmn-list leads to denial of service. The attack can be executed...

EUVD-2026-29089

A weakness has been identified in Open5GS up to 2.7.7. Impacted is the function ogsnnrfnfmhandlenfprofile of the file lib/sbi/nnrf-handler.c of the component NRF. This manipulation causes denial of service. The attack is possible to be carried out remotely. The exploit has been made available to...

CVE-2026-8291

A weakness has been identified in Open5GS up to 2.7.7. Impacted is the function ogsnnrfnfmhandlenfprofile of the file lib/sbi/nnrf-handler.c of the component NRF. This manipulation causes denial of service. The attack is possible to be carried out remotely. The exploit has been made available to...

CVE-2026-8292

A security vulnerability has been detected in Open5GS up to 2.7.7. The affected element is the function yuarelparse in the library /lib/sbi/conv.c of the component NRF. Such manipulation of the argument hnrf-uri leads to denial of service. The attack may be performed from remote. The exploit has...

CVE-2026-8292 Open5GS NRF conv.c yuarel_parse denial of service

A security vulnerability has been detected in Open5GS up to 2.7.7. The affected element is the function yuarelparse in the library /lib/sbi/conv.c of the component NRF. Such manipulation of the argument hnrf-uri leads to denial of service. The attack may be performed from remote. The exploit has...

CVE-2026-8291

Open5GS (up to version 2.7.7) contains a vulnerability in NRF where the function ogs_nnrf_nfm_handle_nf_profile in lib/sbi/nnrf-handler.c can be manipulated to cause a denial of service. The issue is exploitable remotely and publicly available proof-of-concept code exists. A fix is available via ...

EUVD-2026-29026

A vulnerability was found in Open5GS up to 2.7.7. Impacted is the function smfnsmfhandlecreatesmcontext of the component SMF. Performing a manipulation results in denial of service. Remote exploitation of the attack is possible. The exploit has been made public and could be used. The project was...

CVE-2026-8269

A vulnerability was found in Open5GS up to 2.7.7. Impacted is the function smfnsmfhandlecreatesmcontext of the component SMF. Performing a manipulation results in denial of service. Remote exploitation of the attack is possible. The exploit has been made public and could be used. The project was...

PT-2026-39631

Name of the Vulnerable Software and Affected Versions Open5GS versions prior to 2.7.8 Description A weakness in the NRF component allows a remote attacker to cause a denial of service. The issue exists within the ogs nnrf nfm handle nf profile function located in the lib/sbi/nnrf-handler.c file...

CVE-2026-8186 Open5GS NF client.c ogs_sbi_client_send_via_scp_or_sepp out-of-bounds

A vulnerability was detected in Open5GS up to 2.7.7. This affects the function ogssbiclientsendviascporsepp in the library lib/sbi/client.c of the component NF. Performing a manipulation results in out-of-bounds read. The attack is possible to be carried out remotely. The patch is named...

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...

GHSA-F8QV-7X5W-QR48 free5GC NRF: type-confusion panic in POST /oauth2/token structured-form parser via Reflect.Set on incompatible types

Summary 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, special-cases only plain string and NrfNfManagementNfType fields, and treats every...

free5GC's NEF crashes via logger.Fatal on PFD notification delivery failure (attacker-controlled notifyUri)

Summary free5GC's NEF terminates the entire process when a stored PFD-subscription notifyUri cannot be reached. In PfdChangeNotifier.FlushNotifications, the notifier calls NnefPFDmanagementNotify... and on any delivery error invokes logger.PFDManageLog.Fatalerr, which is os.Exit1-equivalent in Go...

EUVD-2026-28479

A vulnerability has been found in Open5GS up to 2.7.7. The impacted element is the function ogssbiparseplmnlist in the library /lib/sbi/conv.c of the component NSSF. The manipulation leads to denial of service. The attack is possible to be carried out remotely. The exploit has been disclosed to t...

CVE-2026-8121 Open5GS NSSF conv.c ogs_sbi_parse_plmn_list denial of service

A vulnerability has been found in Open5GS up to 2.7.7. The impacted element is the function ogssbiparseplmnlist in the library /lib/sbi/conv.c of the component NSSF. The manipulation leads to denial of service. The attack is possible to be carried out remotely. The exploit has been disclosed to t...

Open5GS 安全漏洞

Open5GS is an open-source implementation of 5G Core and EPC in C language, which serves as the core network for Lte/Nr networks. Versions of Open5GS 2.7.7 and earlier contain security vulnerabilities. These vulnerabilities stem from a function in the component NSSF, specifically the function...