CVE-2026-14618— Open5GS AMF nnrf-handler.c amf_nnrf_handle_nf_discover denial of service
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-14618
Vulnerability Information
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Vulnerability Title
Open5GS AMF nnrf-handler.c amf_nnrf_handle_nf_discover denial of service
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in Open5GS up to 2.7.7. Affected by this vulnerability is the function amf_nnrf_handle_nf_discover of the file src/amf/nnrf-handler.c of the component AMF. The manipulation results in denial of service. The attack may be launched remotely. The exploit is now public and may be used. The patch is identified as fb5f67703de0213fb9c6e6ef3b48b6c1707e9503. It is best practice to apply a patch to resolve this issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不恰当的资源关闭或释放
Source: CVE Program / CVE List V5
Vulnerability Title
open5gs 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Open5GS是Open5GS组织开源的一个 5G Core 和 Epc 的 C 语言开源实现,即 Lte/Nr 网络的核心网络。 Open5GS 2.7.7及之前版本存在资源管理错误漏洞，该漏洞源于AMF组件中src/amf/nnrf-handler.c文件的amf_nnrf_handle_nf_discover函数问题，可能导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China 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-2026-14618
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-14618 (2)
Other References for CVE-2026-14618 (1)
Same Patch Batch · n/a · 2026-07-04 · 6 CVEs total
| CVE-2026-14647 | 4.3 MEDIUM | onnx onnxruntime old.cc convPoolShapeInference_opset19 out-of-bounds |
| CVE-2026-14629 | 4.3 MEDIUM | RT-Thread Parameter lwp_syscall.c sys_ioctl divide by zero |
| CVE-2026-14685 | 3.3 LOW | HdrHistogram AbstractHistogram AbstractHistogram.java recordValueWithCount state issue |
| CVE-2026-14684 | 3.3 LOW | HdrHistogram AbstractHistogram.java memory allocation |
| CVE-2026-14683 | 3.3 LOW | HdrHistogram AbstractHistogram.java memory allocation |
IV. Related Vulnerabilities
Same product: Open5GS
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Open5GS NGAP Handover gmm-sm.c gmm_state_security_mode race - CVE-2026-10157
Open5GS NGAP PathSwitchRequest Message ngap-handler.c improp - CVE-2026-10156
Open5GS nf-instances Endpoint nnrf-handler.c handle_amf_info
Same weakness: CWE-404
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V. Comments for CVE-2026-14618
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