CVE-2026-8120— Open5GS NSSF nnssf-handler.c denial of service
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I. Basic Information for CVE-2026-8120
Vulnerability Information
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Vulnerability Title
Open5GS NSSF nnssf-handler.c denial of service
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw has been found in Open5GS up to 2.7.7. The affected element is the function nssf_nnrf_nsselection_handle_get_from_amf_or_vnssf 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 been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
不恰当的资源关闭或释放
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | Open5GS | 2.7.0 | cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:* |
II. Public POCs for CVE-2026-8120
| # | POC Description | Source Link | Shenlong Link |
|---|
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- Just a moment...third-party-advisory
- CVE-2026-8120 | Open5GS up to 2.7.7 NSSF nnssf-handler.c denial of service (Issue 4432)vdb-entrytechnical-description
- https://nvd.nist.gov/vuln/detail/CVE-2026-8120
Same Patch Batch · n/a · 2026-05-08 · 40 CVEs total
| CVE-2026-8127 | 6.3 MEDIUM | eladmin Users API Endpoint UserController.java checkLevel access control |
| CVE-2026-8123 | 4.3 MEDIUM | Open5GS NSSF message.c ogs_sbi_discovery_option_add_snssais denial of service |
| CVE-2026-8122 | 4.3 MEDIUM | Open5GS NSSF message.c ogs_sbi_discovery_option_add_service_names denial of service |
| CVE-2026-8121 | 4.3 MEDIUM | Open5GS NSSF conv.c ogs_sbi_parse_plmn_list denial of service |
| CVE-2026-8124 | 3.3 LOW | GPAC box_code_base.c sidx_box_read allocation of resources |
| CVE-2026-8119 | 3.3 LOW | Open5GS NSSF nghttp2-server.c ogs_sbi_stream_find_by_id denial of service |
| CVE-2024-33722 | SOPlanning 1.52.00 SQL注入漏洞 | |
| CVE-2026-29974 | kosma minmea 0.3.0栈缓冲区溢出漏洞 | |
| CVE-2024-33724 | SOPlanning 1.52.00 存在存储型XSS漏洞 | |
| CVE-2025-67887 | 1C-Bitrix 远程代码执行漏洞 | |
| CVE-2025-67888 | CWP<0.9.8.1209远程命令执行漏洞 | |
| CVE-2025-67886 | Bitrix24远程代码执行漏洞 | |
| CVE-2025-69690 | pfSense 安全漏洞 | |
| CVE-2025-69691 | pfSense 安全漏洞 | |
| CVE-2025-69599 | RayVentory Scan Engine路径环境变量权限提升漏洞 | |
| CVE-2025-55449 | AstrBot 3.5.15 JWT硬编码私钥漏洞 | |
| CVE-2023-46453 | GL.iNet Router 安全漏洞 | |
| CVE-2026-38361 | Fohrloop Dash-Uploader远程代码执行漏洞 | |
| CVE-2026-37431 | Beauty Parlour Management System v1.1 SQL注入漏洞 | |
| CVE-2026-38360 | Dash-Uploader 0.1.0-0.7.0a2目录遍历漏洞 |
Showing top 20 of 40 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Open5GS
- CVE-2026-8123
Open5GS NSSF message.c ogs_sbi_discovery_option_add_snssais - CVE-2026-8122
Open5GS NSSF message.c ogs_sbi_discovery_option_add_service_ - CVE-2026-8121
Open5GS NSSF conv.c ogs_sbi_parse_plmn_list denial of servic - CVE-2026-8119
Open5GS NSSF nghttp2-server.c ogs_sbi_stream_find_by_id deni - CVE-2026-7781
Open5GS amf-3gpp-access Endpoint nudm-handler.c udm_nudm_uec
Same vendor: n/a
- CVE-2026-6667
PgBouncer missing authorization check in KILL_CLIENT admin c - CVE-2026-6666
PgBouncer crash in kill_pool_logins_server_error - CVE-2026-6665
PgBouncer buffer overflow in SCRAM - CVE-2026-6664
PgBouncer integer overflow in PgBouncer network packet parsi - CVE-2026-8127
eladmin Users API Endpoint UserController.java checkLevel ac
Same weakness: CWE-404
- CVE-2026-8123
Open5GS NSSF message.c ogs_sbi_discovery_option_add_snssais - CVE-2026-8122
Open5GS NSSF message.c ogs_sbi_discovery_option_add_service_ - CVE-2026-8121
Open5GS NSSF conv.c ogs_sbi_parse_plmn_list denial of servic - CVE-2026-8119
Open5GS NSSF nghttp2-server.c ogs_sbi_stream_find_by_id deni - CVE-2026-7781
Open5GS amf-3gpp-access Endpoint nudm-handler.c udm_nudm_uec
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