PT-2026-39441

Name of the Vulnerable Software and Affected Versions Open5GS versions prior to 2.7.8 Description A denial of service issue exists in the pcf sess sbi discover and send function of the sm-policies endpoint. A remote attacker can trigger this condition through manipulation, causing the service to...

PT-2026-39543

Name of the Vulnerable Software and Affected Versions Open5GS versions prior to 2.7.8 Description A remote denial of service issue exists in the SMF component. The problem is located in the smf n4 build qos flow to modify list function within the /src/smf/n4-build.c file. Recommendations Update t...

CVE-2026-8251: Improper Resource Shutdown or Release

A vulnerability was found in Open5GS up to 2.7.7. This impacts the function updateauthorizedpccruleandqos of the file /src/smf/npcf-handler.c of the component SMF. Performing a manipulation results in denial of service. The attack is possible to be carried out remotely. The exploit has been made...

CVE-2026-8250: Improper Resource Shutdown or Release

A vulnerability has been found in Open5GS up to 2.7.7. This affects the function smfn4buildqosflowtomodifylist of the file /src/smf/n4-build.c of the component SMF. Such manipulation leads to denial of service. The attack can be executed remotely. The exploit has been disclosed to the public and...

CVE-2026-8249: Improper Resource Shutdown or Release

A flaw has been found in Open5GS up to 2.7.7. The impacted element is the function updateauthorizedpccruleandqos of the file /src/smf/npcf-handler.c of the component SMF. This manipulation causes denial of service. Remote exploitation of the attack is possible. The exploit has been published and...

CVE-2026-8248: Improper Resource Shutdown or Release

A vulnerability was detected in Open5GS up to 2.7.7. The affected element is the function updateauthorizedpccruleandqos of the file /src/smf/npcf-handler.c of the component SMF. The manipulation results in denial of service. The attack may be launched remotely. The exploit is now public and may b...

PT-2026-39541

Name of the Vulnerable Software and Affected Versions Open5GS versions prior to 2.7.8 Description A remote denial of service issue exists in the SMF component. The flaw is located in the update authorized pcc rule and qos function within the /src/smf/npcf-handler.c file. An attacker can remotely...

PT-2026-39442

Name of the Vulnerable Software and Affected Versions Open5GS versions prior to 2.7.8 Description A remote denial of service can be triggered in the PCF component via the pcf sess set ipv6prefix function located in the /src/pcf/context.c file. This occurs through the manipulation of the...

Open5GS security vulnerabilities

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 sm-policies Endpoint called...

PT-2026-39440

Name of the Vulnerable Software and Affected Versions Open5GS versions prior to 2.7.8 Description A remote denial of service can be triggered in the sm-policies endpoint. The issue exists within the pcf nbsf management handle register function located in the src/pcf/nbsf-handler.c file...

PT-2026-39451

Name of the Vulnerable Software and Affected Versions Open5GS versions prior to 2.7.8 Description A remote denial of service can be triggered via the 'delete' endpoint. The issue exists within the pcf npcf smpolicycontrol handle delete function located in the src/pcf/sm-sm.c file. Recommendations...

CVE-2026-8226: Improper Resource Shutdown or Release

A security flaw has been discovered in Open5GS up to 2.7.7. This vulnerability affects the function ogspccruleinstallflowfrommedia in the library /lib/proto/types.c. The manipulation results in denial of service. The attack can be launched remotely. The exploit has been released to the public and...

CVE-2026-8225: Improper Resource Shutdown or Release

A vulnerability was identified in Open5GS up to 2.7.7. This affects the function pcfnpcfsmpolicycontrolhandledelete of the file src/pcf/sm-sm.c of the component delete Endpoint. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit is publicly available an...

CVE-2026-8223: Improper Resource Shutdown or Release

A vulnerability was found in Open5GS up to 2.7.7. Affected by this vulnerability is the function pcfsesssbidiscoverandsend of the component sm-policies Endpoint. Performing a manipulation results in denial of service. It is possible to initiate the attack remotely. The exploit has been made publi...

CVE-2026-8224: Improper Resource Shutdown or Release

A vulnerability was determined in Open5GS up to 2.7.7. Affected by this issue is the function pcfsesssetipv6prefix of the file /src/pcf/context.c of the component PCF. Executing a manipulation of the argument SmPolicyContextData.ipv6AddressPrefix can lead to denial of service. It is possible to...

CVE-2026-8222: Improper Resource Shutdown or Release

A vulnerability has been found in Open5GS up to 2.7.7. Affected is the function pcfnbsfmanagementhandleregister of the file src/pcf/nbsf-handler.c of the component sm-policies Endpoint. Such manipulation leads to denial of service. The attack may be performed from remote. The exploit has been...

CVE-2026-8186

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...

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...

CVE-2026-8186

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...

CVE-2026-8186

CVE-2026-8186 affects Open5GS up to 2.7.7, targeting the function ogs_sbi_client_send_via_scp_or_sepp in lib/sbi/client.c (NF component). According to the sources, manipulating input can trigger an out-of-bounds read and the issue is exploitable remotely. A patch reference is provided: d5bc487fcf...