EUVD-2026-28478

A flaw has been found in Open5GS up to 2.7.7. The affected element is the function nssfnnrfnsselectionhandlegetfromamforvnssf of the file /src/nssf/nnssf-handler.c of the component NSSF. Executing a manipulation can lead to denial of service. The attack can be executed remotely. The exploit has...

CVE-2026-8120 Open5GS NSSF nnssf-handler.c denial of service

A flaw has been found in Open5GS up to 2.7.7. The affected element is the function nssfnnrfnsselectionhandlegetfromamforvnssf of the file /src/nssf/nnssf-handler.c of the component NSSF. Executing a manipulation can lead to denial of service. The attack can be executed remotely. The exploit has...

CVE-2026-8119 Open5GS NSSF nghttp2-server.c ogs_sbi_stream_find_by_id denial of service

A vulnerability was detected in Open5GS up to 2.7.7. Impacted is the function ogssbistreamfindbyid in the library /lib/sbi/nghttp2-server.c of the component NSSF. Performing a manipulation results in denial of service. Attacking locally is a requirement. The exploit is now public and may be used...

PT-2026-38604

Name of the Vulnerable Software and Affected Versions Open5GS versions prior to 2.7.8 Description A flaw in the NSSF component allows a remote attacker to cause a denial of service through manipulation of the nssf nnrf nsselection handle get from amf or vnssf function located in the...

Denial Of Service (DoS)

github.com/free5gc/nssf is vulnerable to Denial of Service DoS. The vulnerability is due to improper handling of crafted POST requests to the NnssfNSSAIAvailability API, which allows an attacker to disrupt service availability...

GO-2025-4163 NSSF panic due to nil pointer dereference when expiry field is omitted in NSSAIAvailability POST in github.com/free5gc/nssf

NSSF panic due to nil pointer dereference when expiry field is omitted in NSSAIAvailability POST in github.com/free5gc/nssf...