Free5GC 4.1.0 /v1/ue-contexts/{supi} CreateUEContextProcedure resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.31

Summaryinfo

A vulnerability labeled as critical has been found in Free5GC 4.1.0. This impacts the function CreateUEContextProcedure of the file /v1/ue-contexts/{supi}. Executing a manipulation can lead to resource consumption. This vulnerability is handled as CVE-2026-30051. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Free5GC 4.1.0. It has been declared as critical. This vulnerability affects the function CreateUEContextProcedure of the file /v1/ue-contexts/{supi}. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability. CVE summarizes:

An issue in the CreateUEContextProcedure function (/v1/ue-contexts/{supi}) of free5gc v4.1.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted PUT request.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-30051 since 03/04/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.5
VulDB Temp Score: 6.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/04/2026 CVE reserved
08/27/2026 +175 days Advisory disclosed
08/27/2026 +0 days VulDB entry created
08/27/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Not defined

CVE: CVE-2026-30051 (🔒)
GCVE (CVE): GCVE-0-2026-30051
GCVE (VulDB): GCVE-100-396196

Entryinfo

Created: 08/27/2026 19:40
Changes: 08/27/2026 19:40 (53)
Complete: 🔍
Cache ID: 216::103

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