CVE-2026-30051: n/a
Description
CVE-2026-30051 is a vulnerability in free5gc version 4.1.0 affecting the CreateUEContextProcedure function. It allows an attacker to cause a Denial of Service (DoS) by sending a crafted PUT request to the /v1/ue-contexts/{supi} endpoint. The vulnerability has a high severity with a CVSS score of 7.5, indicating network attack vector, low attack complexity, no privileges or user interaction required, and impact limited to availability. No patch or official remediation guidance is currently available.
CVSS v3.1
Score 7.5high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability exists in free5gc v4.1.0 within the CreateUEContextProcedure function, which handles requests at the /v1/ue-contexts/{supi} API endpoint. An attacker can exploit this flaw by sending a specially crafted PUT request, resulting in a Denial of Service condition. The vulnerability is classified under CWE-770 (Allocation of Resources Without Limits or Throttling). There is no known public exploit in the wild, and no vendor advisory or patch information is currently provided.
Potential Impact
Successful exploitation leads to a Denial of Service, impacting the availability of the free5gc service. There is no impact on confidentiality or integrity. The attack can be performed remotely without authentication or user interaction, making it a significant risk for service disruption.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, consider implementing network-level protections such as rate limiting or filtering on the affected API endpoint to reduce exposure to crafted PUT requests targeting /v1/ue-contexts/{supi}.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-03-04T00:00:00.000Z
- State
- PUBLISHED
Threat ID: 6a906ba8acd9273b49839a12
Added to database: 08/27/2026, 16:54:00 UTC
Last enriched: 09/07/2026, 15:37:19 UTC
Last updated: 10/11/2026, 18:48:18 UTC
Views: 24
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