# SteeltoeOSS vulnerabilities

Source: https://junglewise.ai/threats/vendors/steeltoeoss  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/steeltoeoss.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 7 vulnerabilities in SteeltoeOSS: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-50268, was published on 17 June 2026. 2 technologies have a page of their own.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 7 (0 critical, 0 exploited in the wild)

## About SteeltoeOSS

An open-source project providing libraries for building cloud-native .NET applications.

## Latest SteeltoeOSS vulnerabilities

- [CVE-2026-50268: Steeltoe Steeltoe.Configuration.Encryption cryptographic downgrade to PKCS#1 v1.5](https://junglewise.ai/threats/cve-2026-50268-steeltoe-steeltoe-configuration-encryption-cryptographic) (low, CVSS 3.1, published 17 Jun 2026)
- [CVE-2026-50267: Steeltoe Configuration Abstractions insecure temporary file permissions](https://junglewise.ai/threats/cve-2026-50267-steeltoe-configuration-abstractions-insecure-temporary-file) (medium, CVSS 4.7, published 17 Jun 2026)
- [CVE-2026-50202: Steeltoe Security JWT signing key cache collision and lack of expiration](https://junglewise.ai/threats/cve-2026-50202-steeltoe-security-jwt-signing-key-cache-collision-and-lack-of) (medium, CVSS 5.9, published 17 Jun 2026)
- [CVE-2026-50201: Steeltoe Improper Authorization in Management Actuator Endpoints](https://junglewise.ai/threats/cve-2026-50201-steeltoe-improper-authorization-in-management-actuator-endpoints) (medium, CVSS 6.5, published 17 Jun 2026)
- [CVE-2026-50200: Steeltoe Management Endpoint information disclosure in Environment actuator](https://junglewise.ai/threats/cve-2026-50200-steeltoe-management-endpoint-information-disclosure-in) (high, CVSS 7.5, published 17 Jun 2026)
- [CVE-2026-50196: Steeltoe.Discovery.Eureka Denial of Service via Registry Poisoning](https://junglewise.ai/threats/cve-2026-50196-steeltoe-discovery-eureka-denial-of-service-via-registry) (high, CVSS 7.5, published 17 Jun 2026)
- [CVE-2026-50194: Steeltoe management port isolation bypass via spoofed Host header](https://junglewise.ai/threats/cve-2026-50194-steeltoe-management-port-isolation-bypass-via-spoofed-host-header) (high, CVSS 8.2, published 17 Jun 2026)

## Most severe SteeltoeOSS vulnerabilities

- [CVE-2026-50194: Steeltoe management port isolation bypass via spoofed Host header](https://junglewise.ai/threats/cve-2026-50194-steeltoe-management-port-isolation-bypass-via-spoofed-host-header) (high, CVSS 8.2, published 17 Jun 2026)
- [CVE-2026-50196: Steeltoe.Discovery.Eureka Denial of Service via Registry Poisoning](https://junglewise.ai/threats/cve-2026-50196-steeltoe-discovery-eureka-denial-of-service-via-registry) (high, CVSS 7.5, published 17 Jun 2026)
- [CVE-2026-50200: Steeltoe Management Endpoint information disclosure in Environment actuator](https://junglewise.ai/threats/cve-2026-50200-steeltoe-management-endpoint-information-disclosure-in) (high, CVSS 7.5, published 17 Jun 2026)
- [CVE-2026-50201: Steeltoe Improper Authorization in Management Actuator Endpoints](https://junglewise.ai/threats/cve-2026-50201-steeltoe-improper-authorization-in-management-actuator-endpoints) (medium, CVSS 6.5, published 17 Jun 2026)
- [CVE-2026-50202: Steeltoe Security JWT signing key cache collision and lack of expiration](https://junglewise.ai/threats/cve-2026-50202-steeltoe-security-jwt-signing-key-cache-collision-and-lack-of) (medium, CVSS 5.9, published 17 Jun 2026)
- [CVE-2026-50267: Steeltoe Configuration Abstractions insecure temporary file permissions](https://junglewise.ai/threats/cve-2026-50267-steeltoe-configuration-abstractions-insecure-temporary-file) (medium, CVSS 4.7, published 17 Jun 2026)
- [CVE-2026-50268: Steeltoe Steeltoe.Configuration.Encryption cryptographic downgrade to PKCS#1 v1.5](https://junglewise.ai/threats/cve-2026-50268-steeltoe-steeltoe-configuration-encryption-cryptographic) (low, CVSS 3.1, published 17 Jun 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## SteeltoeOSS technologies

- [SteeltoeOSS Steeltoe.Management.Endpoint](https://junglewise.ai/threats/technologies/steeltoe-management-endpoint): 3 vulnerabilities
- [SteeltoeOSS Steeltoe.Management.EndpointCore](https://junglewise.ai/threats/technologies/steeltoe-management-endpointcore): 3 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "SteeltoeOSS vulnerabilities", https://junglewise.ai/threats/vendors/steeltoeoss, 9 November 2026.