CVE-2026-1586— Open5GS SGWC s11-handler.c ogs_gtp2_f_teid_to_ip denial of service
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I. Basic Information for CVE-2026-1586
Vulnerability Information
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Vulnerability Title
Open5GS SGWC s11-handler.c ogs_gtp2_f_teid_to_ip denial of service
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw has been found in Open5GS up to 2.7.5. Impacted is the function ogs_gtp2_f_teid_to_ip of the file /sgwc/s11-handler.c of the component SGWC. Executing a manipulation can lead to denial of service. The attack may be performed from remote. The exploit has been published and may be used. It is advisable to implement a patch to correct this issue. The issue report is flagged as already-fixed.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/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 2.7.5及之前版本存在安全漏洞，该漏洞源于对文件/sgwc/s11-handler.c中函数ogs_gtp2_f_teid_to_ip的错误操作，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:*:*:*:*:*:*:*:* |
II. Public POCs for CVE-2026-1586
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · n/a · 2026-01-29 · 20 CVEs total
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| CVE-2026-1587 | 5.3 MEDIUM | Open5GS SGWC s11-handler.c sgwc_s11_handle_modify_bearer_request denial of service |
| CVE-2025-69604 | Shirt Pocket SuperDuper! 安全漏洞 | |
| CVE-2025-63658 | Monkey Server 安全漏洞 | |
| CVE-2025-63651 | Monkey Server 安全漏洞 | |
| CVE-2025-63655 | Monkey Server 安全漏洞 | |
| CVE-2025-63656 | Monkey Server 安全漏洞 | |
| CVE-2025-63657 | Monkey Server 安全漏洞 | |
| CVE-2025-63650 | Monkey Server 安全漏洞 | |
| CVE-2025-63652 | Monkey Server 安全漏洞 | |
| CVE-2025-63653 | Monkey Server 安全漏洞 | |
| CVE-2025-69749 | Tale Blog 安全漏洞 | |
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| CVE-2025-63649 | Monkey Server 安全漏洞 | |
| CVE-2025-45160 | Cacti 安全漏洞 | |
| CVE-2025-71009 | Oneflow 安全漏洞 | |
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| CVE-2025-71008 | Oneflow 安全漏洞 |
IV. Related Vulnerabilities
Same product: Open5GS
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Same vendor: n/a
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bettercap zerogod IPP Service zerogod_ipp_primitives.go ippR - 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
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-2026-1586
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