Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-7708— Open5GS UDR subscription.c ogs_dbi_subscription_data 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，该漏洞源于组件UDR中库/lib/dbi/subscription.c的函数ogs_dbi_subscription_data对参数supi_id的操作，可能导致拒绝服务。

CVSS 4.3 · Medium EPSS 0.47% · P39

Affected Version Matrix 8

VendorProduct Version RangeStatus
n/a Open5GS 2.7.0 affected
2.7.1 affected
2.7.2 affected
2.7.3 affected
2.7.4 affected
2.7.5 affected
2.7.6 affected
2.7.7 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-7708

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Open5GS UDR subscription.c ogs_dbi_subscription_data denial of service
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in Open5GS up to 2.7.7. The affected element is the function ogs_dbi_subscription_data in the library /lib/dbi/subscription.c of the component UDR. This manipulation of the argument supi_id causes denial of service. The attack may be initiated 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:L/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，该漏洞源于组件UDR中库/lib/dbi/subscription.c的函数ogs_dbi_subscription_data对参数supi_id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:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-7708

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-7708

请登录查看更多情报信息。

Proof of Concept for CVE-2026-7708 (1)

Same Patch Batch · n/a · 2026-05-03 · 6 CVEs total

CVE-2026-7711 7.3 HIGH MindsDB Engine proc_wrapper.py exec unrestricted upload
CVE-2026-7712 6.3 MEDIUM MindsDB Pickle pickle.loads deserialization
CVE-2026-7673 4.7 MEDIUM crmeb_java Admin Upload UploadServiceImpl.java unrestricted upload
CVE-2026-7707 4.3 MEDIUM Open5GS UDR nudr-handler.c udr_nudr_dr_handle_subscription_context denial of service
CVE-2026-7706 4.3 MEDIUM Open5GS AMF gmm-handler.c gmm_handle_service_request denial of service

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-7708

No comments yet

Leave a comment