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...

PT-2026-41515

A vulnerability was detected in Open5GS up to 2.7.7. This affects an unknown function in the library /lib/sbi/message.c of the component NRF. Performing a manipulation of the argument service-names/snssais results in denial of service. The attack is possible to be carried out remotely. The exploi...

PT-2026-41517

A vulnerability has been found in Open5GS up to 2.7.7. Affected is the function ogs sbi client add in the library /lib/sbi/client.c of the component NRF. The manipulation of the argument client pool leads to denial of service. It is possible to initiate the attack remotely. The exploit has been...

PT-2026-41514

A security vulnerability has been detected in Open5GS up to 2.7.7. The impacted element is the function ogs sbi discovery option parse plmn list 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...

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...

Improper Authorization

Overview Affected versions of this package are vulnerable to Improper Authorization in the handler responsible for reading Traffic Influence Subscriptions. An attacker can access sensitive subscription data, including SUPIs/IMSIs, DNNs, S-NSSAIs, and callback URIs, by supplying arbitrary values f...

CVE-2026-40246

free5GC is an open-source implementation of the 5G core network. In versions 1.4.2 and below of the UDR service, the handler for deleting 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-2026-40248

CVE-2026-40248 affects free5GC UDR (versions 4.2.1 and earlier). The vulnerability stems from improper path validation: when influenceId != subs-to-notify, the handler returns 404 but does not stop, allowing unauthenticated SBI clients to create/modify Traffic Influence Subscriptions by supplying...

CVE-2026-40248 free5gc UDR improper path validation allows unauthenticated creation and modification of Traffic Influence Subscriptions

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 creating or updating Traffic Influence Subscriptions checks whether the influenceId path segment equals subs-to-notify, but does not return after sending the HTTP 404...

CVE-2026-40247 free5gc UDR improper path validation allows unauthenticated access to Traffic Influence Subscriptions

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-2026-40246

free5GC is an open-source implementation of the 5G core network. In versions 1.4.2 and below of the UDR service, the handler for deleting 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...

Improper Authorization

Overview github.com/free5gc/udr/internal/sbi is a None Affected versions of this package are vulnerable to Improper Authorization. through improper validation of the influenceId path parameter in the DELETE endpoint. An attacker can remove arbitrary Traffic Influence Subscriptions by sending a...

PT-2026-32973

Name of the Vulnerable Software and Affected Versions free5GC versions 1.4.2 and earlier Description An improper path validation issue exists in the UDR service. An unauthenticated attacker with access to the 5G Service Based Interface can delete arbitrary Traffic Influence Subscriptions by...

PT-2026-32975

Name of the Vulnerable Software and Affected Versions free5GC UDR service versions prior to 4.2.1 Description An improper path validation issue exists in the UDR service. The handler for creating or updating Traffic Influence Subscriptions checks if the influenceId path segment equals...

PT-2026-32974

Name of the Vulnerable Software and Affected Versions free5GC versions 4.2.1 and earlier Description An improper path validation issue exists in the UDR service. The endpoint 'GET /nudr-dr/v2/application-data/influenceData/influenceId/subscriptionId' is designed to operate only when the influence...

CVE-2025-66786

OpenAirInterface CN5G AMF=v2.0.1 There is a logical error when processing JSON format requests. Unauthorized remote attackers can send malicious JSON data to AMF's SBI interface to launch a denial-of-service attack...

CVE-2025-66786

OpenAirInterface CN5G AMF

CVE-2025-41068

Reachable Assertion vulnerability in Open5GS up to version 2.7.6 allows attackers with connectivity to the NRF to cause a denial of service. This is achieved by sending the creation of an NF with an invalid type via SBI and then requesting its data. The NRF executes a check that crashes the...

CVE-2025-41068

Reachable Assertion vulnerability in Open5GS up to version 2.7.6 allows attackers with connectivity to the NRF to cause a denial of service. This is achieved by sending the creation of an NF with an invalid type via SBI and then requesting its data. The NRF executes a check that crashes the...