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CVE-2026-8266— Open5GS SMF gsm-build.c gsm_build_pdu_session_establishment_accept denial of service

CVSS 4.3 · Medium EPSS 0.04% · P12
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I. Basic Information for CVE-2026-8266

Vulnerability Information
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Vulnerability Title
Open5GS SMF gsm-build.c gsm_build_pdu_session_establishment_accept denial of service
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was detected in Open5GS up to 2.7.7. This affects the function gsm_build_pdu_session_establishment_accept of the file /src/smf/gsm-build.c of the component SMF. The manipulation results in denial of service. The attack can be launched remotely. The exploit is now public 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)
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SMF组件中文件/src/smf/gsm-build.c的函数gsm_build_pdu_session_establishment_accept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

VendorProductAffected VersionsCPESubscribe
-Open5GS 2.7.0 cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-8266

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III. Intelligence Information for CVE-2026-8266

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Same Patch Batch · n/a · 2026-05-11 · 48 CVEs total

CVE-2026-83057.3 HIGHOpenClaw bluebubbles Webhook monitor.ts handleBlueBubblesWebhookRequest improper authentic
CVE-2026-82615.9 MEDIUMSquirrel sqobject.cpp Load heap-based overflow
CVE-2026-82585.3 MEDIUMSquirrel sqstdstring.cpp validate_format stack-based overflow
CVE-2026-82884.3 MEDIUMOpen5GS SMF gsm-handler.c denial of service
CVE-2026-82914.3 MEDIUMOpen5GS NRF nnrf-handler.c ogs_nnrf_nfm_handle_nf_profile denial of service
CVE-2026-82904.3 MEDIUMOpen5GS SMF nsmf-handler.c smf_nsmf_handle_update_data_in_vsmf denial of service
CVE-2026-82894.3 MEDIUMOpen5GS SMF nsmf-handler.c smf_nsmf_handle_update_data_in_vsmf denial of service
CVE-2026-82924.3 MEDIUMOpen5GS NRF conv.c yuarel_parse denial of service
CVE-2026-82704.3 MEDIUMOpen5GS SMF ogs_nas_parse_qos_rules denial of service
CVE-2026-82694.3 MEDIUMOpen5GS SMF smf_nsmf_handle_create_sm_context denial of service
CVE-2026-82684.3 MEDIUMOpen5GS SMF OpenAPI_list_create denial of service
CVE-2026-82674.3 MEDIUMOpen5GS SMF smf_nsmf_handle_created_data_in_vsmf denial of service
CVE-2026-82763.7 LOWbettercap MySQL Server mysql_server.go integer coercion
CVE-2026-82753.7 LOWbettercap zerogod IPP Service zerogod_ipp_primitives.go ippReadChunkedBody integer coercio
CVE-2025-61313docuForm FSM Server 跨站脚本漏洞
CVE-2025-61307docuForm FSM Server 跨站脚本漏洞
CVE-2025-61305docuForm FSM Server 跨站脚本漏洞
CVE-2025-61309docuForm FSM Server 跨站脚本漏洞
CVE-2025-65415docuForm FSM Server 授权问题漏洞
CVE-2026-31252CosyVoice 安全漏洞

Showing top 20 of 48 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-8266

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