CVE-2026-8250 is a medium severity vulnerability in Open5GS versions up to 2.7.7 affecting the SMF component. It arises from a flaw in the function smf_n4_build_qos_flow_to_modify_list, which can be remotely exploited to cause a denial of service. The vulnerability has been publicly disclosed, but no official patch or remediation has been provided by the project as of the publication date. The attack requires no user interaction and has low complexity, but some privileges are needed to execute it.
CVE-2026-8249 is a medium severity vulnerability in Open5GS versions up to 2.7.7 affecting the SMF component. The flaw exists in the function update_authorized_pcc_rule_and_qos within /src/smf/npcf-handler.c and can be remotely exploited to cause a denial of service. Although an exploit has been published, there is no vendor response or official patch available yet. The vulnerability requires low privileges to exploit and does not require user interaction.
CVE-2026-8248 is a medium severity denial of service vulnerability in Open5GS versions up to 2.7.7. It affects the SMF component, specifically the function update_authorized_pcc_rule_and_qos in the file /src/smf/npcf-handler.c. The vulnerability can be exploited remotely without user interaction or privileges. Although the issue was reported early to the project, no response or fix has been provided yet. The exploit code is publicly available, increasing the risk of exploitation.
A security flaw has been discovered in Open5GS up to 2.7.7. This vulnerability affects the function ogs_pcc_rule_install_flow_from_media 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 may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
A vulnerability was identified in Open5GS up to 2.7.7. This affects the function pcf_npcf_smpolicycontrol_handle_delete 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 and might be used. The project was informed of the problem early through an issue report but has not responded yet.
A vulnerability was determined in Open5GS up to 2.7.7. Affected by this issue is the function pcf_sess_set_ipv6prefix 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 launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
A vulnerability was found in Open5GS up to 2.7.7. Affected by this vulnerability is the function pcf_sess_sbi_discover_and_send 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 public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
A vulnerability has been found in Open5GS up to 2.7.7. Affected is the function pcf_nbsf_management_handle_register 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 disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
A vulnerability was detected in Open5GS up to 2.7.7. This affects the function ogs_sbi_client_send_via_scp_or_sepp 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 d5bc487fcf9ea87d2b03f2ef95123af344773bfb. It is suggested to install a patch to address this issue.
A flaw has been found in Open5GS up to 2.7.7. This impacts the function _gtpv1_u_recv_cb of the file src/upf/gtp-path.c of the component UPF. Executing a manipulation can lead to resource consumption. The attack may be performed from remote. The project was informed of the problem early through an issue report but has not responded yet.
CVE-2026-8123 is a medium severity denial of service vulnerability in Open5GS versions up to 2.7.7. It affects the function ogs_sbi_discovery_option_add_snssais within the NSSF component, specifically in the /lib/sbi/message.c library. The vulnerability can be exploited remotely without user interaction or privileges. The issue was publicly disclosed and reported to the project early, but no official response or patch has been provided yet.
CVE-2026-8122 is a denial of service vulnerability in Open5GS versions up to 2.7.7 affecting the function ogs_sbi_discovery_option_add_service_names in the NSSF component. The vulnerability can be exploited remotely without user interaction and requires low privileges. The issue was responsibly disclosed but the project has not yet responded or issued a fix. The vulnerability has a medium severity rating with a CVSS score of 5.3. No official patch or mitigation guidance is currently available.
CVE-2026-8121 is a medium severity denial of service vulnerability in Open5GS versions up to 2.7.7. It affects the function ogs_sbi_parse_plmn_list in the NSSF component, specifically in the /lib/sbi/conv.c library. The vulnerability can be exploited remotely without user interaction or privileges. The issue has been publicly disclosed, but no official patch or remediation guidance has been provided by the vendor as of the publication date.
CVE-2026-8120 is a medium severity denial of service vulnerability in Open5GS versions up to 2.7.7. It affects the function nssf_nnrf_nsselection_handle_get_from_amf_or_vnssf in the NSSF component. The flaw can be exploited remotely without user interaction or elevated privileges. Although an exploit has been published, there is no vendor response or official patch available yet.
CVE-2026-8119 is a medium severity denial of service vulnerability in Open5GS versions up to 2.7.7. It affects the function ogs_sbi_stream_find_by_id within the NSSF component's nghttp2-server.c library. Exploitation requires local access and can cause service disruption. The vulnerability was responsibly disclosed but the project has not yet responded or issued a fix. No official patch or remediation guidance is currently available. The exploit code is publicly available, increasing the risk of local attacks causing denial of service.
A security vulnerability has been detected in Open5GS up to 2.7.7. Affected by this issue is the function udm_nudm_uecm_handle_amf_registration_update of the file /src/udm/nudm-handler.c of the component amf-3gpp-access Endpoint. The manipulation leads to denial of service. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
CVE-2026-7780 is a medium severity vulnerability in Open5GS versions up to 2.7.7 that allows remote denial of service via manipulation of the udm_state_operational function in the smf-registrations endpoint. The vulnerability has a CVSS 4.0 base score of 5.3 and was publicly disclosed without an official vendor response or patch. Exploit code is publicly available, but no known exploits in the wild have been reported. The project has not yet provided remediation guidance.
CVE-2026-7779 is a medium severity vulnerability in Open5GS versions up to 2.7.7. It affects the function udm_nudr_dr_handle_subscription_authentication in the authentication-subscription endpoint, allowing remote denial of service via crafted input manipulation. The vulnerability has been publicly disclosed with an exploit available, but the Open5GS project has not yet responded or issued a patch. No official remediation or fix is currently documented.
CVE-2026-7708 is a medium severity vulnerability in Open5GS versions up to 2.7.7 affecting the UDR component. The flaw exists in the ogs_dbi_subscription_data function within the subscription.c library, where manipulation of the supi_id argument can cause a denial of service. The attack can be initiated remotely without user interaction or elevated privileges. The vulnerability has been publicly disclosed, but no official patch or remediation has been provided by the project as of the publication date.
A vulnerability was found in Open5GS up to 2.7.7. Impacted is the function udr_nudr_dr_handle_subscription_context of the file /src/udr/nudr-handler.c of the component UDR. The manipulation of the argument pei results in denial of service. The attack can be launched remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.