CVE-2026-7536— Open5GS BSF pcfBindings bsf_sess_add_by_ip_address denial of service
Quick assessment
Affected
n/a Open5GS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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 2.7.7及之前版本存在安全漏洞，该漏洞源于BSF组件文件/nbsf-management/v1/pcfBindings中bsf_sess_add_by_ip_address函数对参数ipv4Addr的操作，可能导致拒绝服务。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-7536
Vulnerability Information
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Vulnerability Title
Open5GS BSF pcfBindings bsf_sess_add_by_ip_address denial of service
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in Open5GS up to 2.7.7. This vulnerability affects the function bsf_sess_add_by_ip_address of the file /nbsf-management/v1/pcfBindings of the component BSF. Executing a manipulation of the argument ipv4Addr can lead to denial of service. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/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 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 2.7.7及之前版本存在安全漏洞，该漏洞源于BSF组件文件/nbsf-management/v1/pcfBindings中bsf_sess_add_by_ip_address函数对参数ipv4Addr的操作，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:*:*:*:*:*:*:*:*
|
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II. Public POCs for CVE-2026-7536
| # | POC Description | Source Link | Shenlong Link |
|---|
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Proof of Concept for CVE-2026-7536 (1)
Same Patch Batch · n/a · 2026-05-01 · 53 CVEs total
| CVE-2026-37541 | 10.0 CRITICAL | Open-Vehicle-Monitoring-System-3 安全漏洞 |
| CVE-2026-37539 | 9.8 CRITICAL | cannelloni 安全漏洞 |
| CVE-2026-37531 | 9.8 CRITICAL | Automotive Grade Linux app-framework-main 路径遍历漏洞 |
| CVE-2026-37536 | 8.8 HIGH | Unified Diagnostic Services Support Library in C 安全漏洞 |
| CVE-2026-37552 | 8.4 HIGH | Mix PHP 代码问题漏洞 |
| CVE-2026-37540 | 8.4 HIGH | open-amp 输入验证错误漏洞 |
| CVE-2026-37537 | 8.1 HIGH | Open SAE J1939 输入验证错误漏洞 |
| CVE-2026-37526 | 7.8 HIGH | Automotive Grade Linux app-framework-binder 访问控制错误漏洞 |
| CVE-2026-37525 | 7.8 HIGH | Automotive Grade Linux app-framework-binder 安全漏洞 |
| CVE-2026-37554 | 7.5 HIGH | Vanetza 安全漏洞 |
| CVE-2026-7598 | 7.3 HIGH | libssh2 userauth.c userauth_password integer overflow |
| CVE-2026-37532 | 7.1 HIGH | Automotive Grade Linux agl-service-can-low-level 安全漏洞 |
| CVE-2026-37535 | 7.1 HIGH | ISO-TP (ISO 15765-2) Support Library in C 缓冲区错误漏洞 |
| CVE-2026-37503 | 6.9 MEDIUM | V2Board 跨站脚本漏洞 |
| CVE-2026-7580 | 5.3 MEDIUM | Exiftool JPEG/QuickTime/MOV/MP4 GM.pm Process_mrld code injection |
| CVE-2026-37504 | 5.3 MEDIUM | V2Board 安全漏洞 |
| CVE-2026-37505 | 4.9 MEDIUM | V2Board SQL注入漏洞 |
| CVE-2026-7578 | 4.7 MEDIUM | MacCMS Pro Plugin Installation add.html install unrestricted upload |
| CVE-2026-7587 | 4.3 MEDIUM | Open5GS AMF nsmf-handler.c amf_nsmf_pdusession_handle_update_sm_context denial of service |
| CVE-2026-7518 | 4.3 MEDIUM | Open5GS AMF SBI Endpoint sdmsubscription-notify amf_namf_callback_handle_sdm_data_change_n |
Showing top 20 of 53 CVEs. View all on vendor page → →
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V. Comments for CVE-2026-7536
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