Information disclosure in Microsoft PowerShell Core
Priority MEDIUM 48CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Partial Red Hat: 3 fixed, 1 without a fix
Attack profile from CVSS 3.0 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-200.
Summary
An information disclosure vulnerability exists in .NET Core when authentication information is inadvertently exposed in a redirect, aka ".NET Core Information Disclosure Vulnerability." This affects .NET Core 2.1, .NET Core 1.0, .NET Core 1.1, PowerShell Core 6.0.
Why it matters now
EPSS 0.14833 96th percentileScored 2026-11-07
Fix Partial System.Net.Http (NuGet): 4.3.4Red Hat: 1 advisoryRed Hat: 3 fixed, 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | PowerShell Core | 6.0 | — | No fix listed | CNA |
| Microsoft | .NET Core | 1.0; 1.1; 2.1 | — | No fix listed | CNA |
| — | System.Net.Http (NuGet) | before 4.3.4 | 4.3.4 | Patch available | GHSA-7jgj-8wvc-jh57 |
- PowerShell Core VendorMicrosoft Affected 6.0 Fixed in — No fix listed CNA
- .NET Core VendorMicrosoft Affected 1.0; 1.1; 2.1 Fixed in — No fix listed CNA
- System.Net.Http (NuGet) Vendor— Affected before 4.3.4 Fixed in 4.3.4 Patch available GHSA-7jgj-8wvc-jh57
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:asp.net_core:1.0:*:*:*:*:*:*:* | 1.0 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:asp.net_core:1.1:*:*:*:*:*:*:* | 1.1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:asp.net_core:2.1:*:*:*:*:*:*:* | 2.1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:powershell_core:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:asp.net_core:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:asp.net_core:1.1:*:*:*:*:*:*:* Versions 1.1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:asp.net_core:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:powershell_core:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Microsoft
Remediation
- Fix · GHSA-7jgj-8wvc-jh57 System.Net.Http (NuGet) Fixed in 4.3.4 Advisory →
Red Hat 1 advisory
- RHSA-2018:2902 Released 2018-10-10 · Red Hat rating Moderate.NET Core on Red Hat Enterprise Linux security update
- .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) rh-dotnetcore10-dotnetcore-1.0.13-1.el7, rh-dotnetcore11-dotnetcore-1.1.10-1.el7
- .NET Core on Red Hat Enterprise Linux Server (v. 7) rh-dotnetcore10-dotnetcore-1.0.13-1.el7, rh-dotnetcore11-dotnetcore-1.1.10-1.el7
- .NET Core on Red Hat Enterprise Linux Workstation (v. 7) rh-dotnetcore10-dotnetcore-1.0.13-1.el7, rh-dotnetcore11-dotnetcore-1.1.10-1.el7
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| .NET Core 2.0 on Red Hat Enterprise Linux | Affected | No fix planned: Out of support scope |
| .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2018:2902 |
| .NET Core on Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2018:2902 |
| .NET Core on Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2018:2902 |
Not affected: 1 product
- .NET Core 2.1 on Red Hat Enterprise Linux
Timeline
- 2026-10-02 Threatist record created from CVE-2018-8292
- 2026-10-03 Alias added: GHSA-7jgj-8wvc-jh57
References
More Microsoft Asp.net Core vulnerabilities
- TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
- TI-2023-19596 .NET and Visual Studio Denial of Service Vulnerability KEVCVSS 3.1HIGH 7.5
- TI-2025-34970 ASP.NET Security Feature Bypass Vulnerability CVSS 3.1CRITICAL 9.9
- TI-2024-14164 .NET Denial of Service Vulnerability CVSS 3.1HIGH 7.5
- TI-2023-18092 ASP.NET Core Denial of Service Vulnerability CVSS 3.1HIGH 8.2
- TI-2023-18392 ASP.NET Core Security Feature Bypass Vulnerability CVSS 3.1MEDIUM 6.2
Sources
- CVE-2018-8292 · CVE Program
- CVE-2018-8292 · NVD
- FIRST EPSS
- GHSA-7jgj-8wvc-jh57 · GitHub Advisory Database · CC BY 4.0
- CVE-2018-8292 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences