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CVE-2026-2524— Open5GS MME mme_s11_handle_create_session_response 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 2.7.6版本存在安全漏洞，该漏洞源于对组件MME中函数mme_s11_handle_create_session_response的错误操作，可能导致拒绝服务攻击。

CVSS 5.3 · Medium EPSS 0.64% · P49

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2026-2524

Vulnerability Information
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Vulnerability Title
Open5GS MME mme_s11_handle_create_session_response denial of service
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in Open5GS 2.7.6. The impacted element is the function mme_s11_handle_create_session_response of the component MME. This manipulation causes denial of service. The attack can be initiated 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: 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 2.7.6版本存在安全漏洞，该漏洞源于对组件MME中函数mme_s11_handle_create_session_response的错误操作，可能导致拒绝服务攻击。
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 2.7.6 cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-2524

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III. Intelligence Information for CVE-2026-2524

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Vendor Advisories for CVE-2026-2524 (1)

Same Patch Batch · n/a · 2026-02-16 · 17 CVEs total

CVE-2026-2542 7.0 HIGH Total VPN win-service.exe unquoted search path
CVE-2026-2558 6.3 MEDIUM GeekAI net_handler.go Download server-side request forgery
CVE-2026-2556 6.3 MEDIUM cskefu Endpoint MediaController.java server-side request forgery
CVE-2026-2531 6.3 MEDIUM MindsDB File Upload security.py clear_filename server-side request forgery
CVE-2026-2552 5.5 MEDIUM ZenTao Editor control.php delete path traversal
CVE-2026-2551 5.4 MEDIUM ZenTao Backup control.php delete path traversal
CVE-2026-2525 5.3 MEDIUM Free5GC PFCP UDP Endpoint denial of service
CVE-2026-2523 5.3 MEDIUM Open5GS SMF gn-handler.c smf_gn_handle_create_pdp_context_request assertion
CVE-2026-2555 5.0 MEDIUM JeecgBoot Retrieval-Augmented Generation AiragKnowledgeController.java importDocumentFromZ
CVE-2026-2557 3.5 LOW cskefu File Upload MediaController.java upload cross site scripting
CVE-2026-2547 3.5 LOW LigeroSmart index.pl AgentDashboard cross site scripting
CVE-2026-2546 3.5 LOW LigeroSmart index.pl cross site scripting
CVE-2026-2545 3.5 LOW LigeroSmart index.pl cross site scripting
CVE-2025-65716 Markdown Preview Enhanced 安全漏洞
CVE-2025-65715 Code Runner 安全漏洞
CVE-2025-65717 Live Server 安全漏洞

IV. Related Vulnerabilities

Same product: Open5GS
Same vendor: n/a
Same weakness: CWE-404

V. Comments for CVE-2026-2524

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