CVE-2026-7707
Deferred Deferred - Pending Action
Denial of Service in Open5GS UDR Component

Publication date: 2026-05-03

Last updated on: 2026-05-05

Assigner: VulDB

Description
A vulnerability was found in Open5GS up to 2.7.7. Impacted is the function udr_nudr_dr_handle_subscription_context of the file /src/udr/nudr-handler.c of the component UDR. The manipulation of the argument pei results in denial of service. The attack can be launched remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
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Meta Information
Published
2026-05-03
Last Modified
2026-05-05
Generated
2026-06-16
AI Q&A
2026-05-04
EPSS Evaluated
2026-06-15
NVD
CVE-2026-7707
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
open5gs open5gs to 2.7.7 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-404 The product does not release or incorrectly releases a resource before it is made available for re-use.
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Executive Summary

This vulnerability exists in Open5GS up to version 2.7.7, specifically in the function udr_nudr_dr_handle_subscription_context within the UDR component. The issue arises from the manipulation of the argument 'pei', which can lead to a denial of service condition. The attack exploiting this vulnerability can be launched remotely.

Impact Analysis

The primary impact of this vulnerability is a denial of service, which means an attacker could disrupt the normal operation of the affected Open5GS component remotely. This could lead to service outages or degraded performance in systems relying on Open5GS.

Compliance Impact

The provided information does not specify any direct impact of this vulnerability on compliance with common standards and regulations such as GDPR or HIPAA.

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