CVE-2026-7601— Open5GS AMF gmm-handler.c denial of service
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I. Basic Information for CVE-2026-7601
Vulnerability Information
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Vulnerability Title
Open5GS AMF gmm-handler.c denial of service
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability has been found in Open5GS up to 2.7.6. Affected is an unknown function of the file src/amf/gmm-handler.c of the component AMF. The manipulation of the argument reg_type leads to denial of service. The attack is possible to be carried out remotely. Upgrading to version 2.7.7 is able to address this issue. The identifier of the patch is ebc66942b6f8f1fab2d640e71cf4e9f1a423b426. It is advisable to upgrade the affected component.
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)
Vulnerability Title
Open5GS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Open5GS是Open5GS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 2.7.6及之前版本存在安全漏洞，该漏洞源于AMF组件中src/amf/gmm-handler.c文件的未知函数对参数reg_type操作不当，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-2026-7601
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- CVE-2026-7601 | Open5GS up to 2.7.6 AMF src/amf/gmm-handler.c reg_type denial of service (Issue 4321)vdb-entrytechnical-description
- https://nvd.nist.gov/vuln/detail/CVE-2026-7601
Same Patch Batch · n/a · 2026-05-02 · 5 CVEs total
| CVE-2026-7605 | 6.3 MEDIUM | JeecgBoot uploadImgByHttpEndpoint CommonController.java HttpFileToMultipartFileUtil.downlo |
| CVE-2026-7604 | 6.3 MEDIUM | JeecgBoot OpenApi Service OpenApiController.java OpenApiController.call server-side reques |
| CVE-2026-7603 | 6.3 MEDIUM | JeecgBoot LoadFile Endpoint FileDownloadUtils.jav checkPathTraversalBatch server-side requ |
| CVE-2026-7602 | 6.3 MEDIUM | JeecgBoot FillRuleUtil edit improper authorization |
IV. Related Vulnerabilities
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Same vendor: n/a
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Open5GS SMF ogs_nas_parse_qos_rules denial of service - CVE-2026-8269
Open5GS SMF smf_nsmf_handle_create_sm_context denial of serv - CVE-2026-8268
Open5GS SMF OpenAPI_list_create denial of service
Same weakness: CWE-404
- CVE-2026-8270
Open5GS SMF ogs_nas_parse_qos_rules denial of service - CVE-2026-8269
Open5GS SMF smf_nsmf_handle_create_sm_context denial of serv - CVE-2026-8268
Open5GS SMF OpenAPI_list_create denial of service - CVE-2026-8267
Open5GS SMF smf_nsmf_handle_created_data_in_vsmf denial of s - CVE-2026-8266
Open5GS SMF gsm-build.c gsm_build_pdu_session_establishment_
V. Comments for CVE-2026-7601
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