Steeltoe.Discovery.Eureka: Unrecognized DataCenterInfo.Name poisons entire registry fetch

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Summary

CVECVE-2026-50196
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-17 22:16:24 UTC
Updated2026-06-18 14:17:29 UTC
DescriptionSteeltoe 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.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.003390000 probability, percentile 0.255590000 (date 2026-06-19)

Problem Types: CWE-20 | CWE-400 | CWE-20 CWE-20: Improper Input Validation | CWE-400 CWE-400: Uncontrolled Resource Consumption

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1CNADECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA SteeltoeOSS Steeltoe.Discovery.Eureka affected >= 4.0.0, < 4.2.0 Not specified
CNA SteeltoeOSS Steeltoe.Discovery.Eureka affected < 3.4.0 Not specified

References

ReferenceSourceLinkTags
github.com/SteeltoeOSS/security-advisories/security/advisories/GHSA-j8ph... [email protected] github.com
github.com/SteeltoeOSS/Steeltoe/commit/b8ed8557bb595863e4f340051d16b26ba... [email protected] github.com
github.com/SteeltoeOSS/Steeltoe/commit/c34a7399e808d0d11dd977460e81df1f2... [email protected] github.com
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