SteeltoeOSS Steeltoe.Discovery.Eureka up to 3.3.x/4.1.x DataCenterInfo.name input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k4.74

Summaryinfo

A vulnerability identified as problematic has been detected in SteeltoeOSS Steeltoe.Discovery.Eureka up to 3.3.x/4.1.x. This affects an unknown part. The manipulation of the argument DataCenterInfo.name leads to input validation. This vulnerability is listed as CVE-2026-50196. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in SteeltoeOSS Steeltoe.Discovery.Eureka up to 3.3.x/4.1.x. This issue affects some unknown functionality. The manipulation of the argument DataCenterInfo.name 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:

Steeltoe is an open source project that provides a collection of libraries that helps users build cloud-native applications. In Steeltoe.Discovery.Eureka prior to versions 4.2.0 and 3.4.0, `DataCenterInfo.FromJson` throws `ArgumentException` for any `name` value other than `"MyOwn"` or `"Amazon"`, despite the Java Eureka specification defining a third valid value: `"Netflix"`. The exception propagates through the entire registry deserialization chain and is swallowed by the periodic cache refresh task, leaving the local service registry permanently empty or stale. Versions 4.2.0 and 3.4.0 patch the issue. If an immediate upgrade is not possible, remove any registrations using unsupported `DataCenterInfo.name` values from the registry. In mixed Java/Spring and Steeltoe environments, audit for the `Netflix` data center type before deploying Steeltoe Eureka clients.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-50196 since 06/04/2026. 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.

Upgrading to version 3.4.0 or 4.2.0 eliminates this vulnerability. Applying the patch b8ed8557bb595863e4f340051d16b26ba40a75f4 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-37806). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (GitHub_M): 🔒

CVSSv2info

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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

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Steeltoe.Discovery.Eureka 3.4.0/4.2.0
Patch: b8ed8557bb595863e4f340051d16b26ba40a75f4

Timelineinfo

06/04/2026 CVE reserved
06/18/2026 +14 days Advisory disclosed
06/18/2026 +0 days VulDB entry created
06/18/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: GHSA-j8ph-6fxj-g533
Status: Confirmed

CVE: CVE-2026-50196 (🔒)
GCVE (CVE): GCVE-0-2026-50196
GCVE (VulDB): GCVE-100-372143
EUVD: 🔒

Entryinfo

Created: 06/18/2026 07:36
Updated: 06/18/2026 18:52
Changes: 06/18/2026 07:36 (66), 06/18/2026 18:52 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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