free5GC 4.0.1 Processor processor/processor.go buildFilter input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.2$0-$5k0.00+

Summaryinfo

A vulnerability has been found in free5GC 4.0.1 and classified as problematic. Impacted is the function buildFilter of the file processor/processor.go of the component Processor. The manipulation leads to input validation. This vulnerability is listed as CVE-2026-30064. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in free5GC 4.0.1 and classified as problematic. This issue affects the function buildFilter of the file processor/processor.go of the component Processor. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. The summary by CVE is:

Improper input validation in the buildFilter function (processor/processor.go) of free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-30064 since 03/04/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/27/2026).

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.2
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: Input validation
CWE: CWE-20
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-2026-30064 (🔒)
GCVE (CVE): GCVE-0-2026-30064
GCVE (VulDB): GCVE-100-396203

Entryinfo

Created: 08/27/2026 19:42
Changes: 08/27/2026 19:42 (54)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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