Vulnerability-Lookup

GHSA-Q6JF-24JF-M3CG

Vulnerability from github – Published: 2026-11-11 00:31 – Updated: 2026-11-11 00:31

Summary

Microsoft Security Advisory CVE-2026-120792 - Aspire Information Disclosure Vulnerability

Details

Executive summary

Microsoft is releasing this security advisory to provide information about a vulnerability in the Aspire CLI. This advisory provides guidance on updating affected applications and components.

Insecure temporary files used by Aspire CLI can allow a local attacker to obtain sensitive configuration information.

Announcement

Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/518

CVSS Details

Version: 3.1
Severity: High
Score: 7.3
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L
Weakness: CWE-532 (Insertion of Sensitive Information into Log File)
MSRC severity: Important
Impact: Information Disclosure

Affected Platforms

Platforms: Linux, macOS
Architectures: x64, Arm64

Affected Packages

Standalone Aspire CLI

Package	Affected version	Patched version
Aspire CLI (Aspire.Cli)	>= 13.2.0, < 13.6.5	13.6.5
Aspire.Cli.linux-x64	>= 13.3.0, < 13.6.5	13.6.5
Aspire.Cli.linux-arm64	>= 13.3.0, < 13.6.5	13.6.5
Aspire.Cli.linux-musl-x64	>= 13.3.0, < 13.6.5	13.6.5
Aspire.Cli.osx-x64	>= 13.3.0, < 13.6.5	13.6.5
Aspire.Cli.osx-arm64	>= 13.3.0, < 13.6.5	13.6.5

Aspire CLI npm packages

Package	Affected version	Patched version
@microsoft/aspire-cli	>= 13.4.2, < 13.6.5	13.6.5
@microsoft/aspire-cli-linux-x64	>= 13.4.2, < 13.6.5	13.6.5
@microsoft/aspire-cli-linux-arm64	>= 13.4.2, < 13.6.5	13.6.5
@microsoft/aspire-cli-linux-musl-x64	>= 13.4.2, < 13.6.5	13.6.5
@microsoft/aspire-cli-osx-x64	>= 13.4.2, < 13.6.5	13.6.5
@microsoft/aspire-cli-osx-arm64	>= 13.4.2, < 13.6.5	13.6.5

The affected component is the Aspire CLI's deprecated MCP configuration scanner, which ships in the CLI packages listed above. Its temporary-file diagnostics can include configuration content and use a fixed path in a shared temporary directory.

Advisory FAQ

How do I know if I am affected?

The reported scenario involves running Aspire CLI agent or MCP initialization commands on a non-Windows system with a temporary directory shared by multiple users. Versions 13.2.0 through 13.6.4 are affected.

Aspire ships independently of .NET. Installing a .NET runtime or SDK update does not establish that the affected Aspire CLI has been updated.

How do I fix the issue?

Update the Aspire CLI to version 13.6.5 or later. If installed as a .NET tool, update the Aspire.Cli package. If installed using npm, update @microsoft/aspire-cli to version 13.6.5 or later; its platform-specific dependency must also resolve to version 13.6.5 or later. Otherwise update the CLI through its installation method.

Other Information

Reporting Security Issues

If you have found a potential security issue in a supported version of .NET, please report it to the Microsoft Security Response Center (MSRC) via the MSRC Researcher Portal. Further information can be found in the MSRC Report an Issue FAQ.

Security reports made through MSRC may qualify for the Microsoft .NET Bounty. Details of the Microsoft .NET Bounty Program including terms and conditions are at https://aka.ms/corebounty.

Support

You can ask questions about this issue in the Aspire repository.

Disclaimer

The information provided in this advisory is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.

External Links

CVE-2026-120792

Acknowledgements

l8BL with ENKI WhiteHat
71C4

Revisions

V1.0 (November 10, 2026): Advisory published.

Severity

7.3 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "Aspire.Cli"
      },
      "ranges": [
        {
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  ],
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    "github_reviewed": true,
    "github_reviewed_at": "2026-11-11T00:31:23Z",
    "nvd_published_at": null,
    "severity": "HIGH"
  },
  "details": "## Executive summary\n\nMicrosoft is releasing this security advisory to provide information about a vulnerability in the Aspire CLI. This advisory provides guidance on updating affected applications and components.\n\nInsecure temporary files used by Aspire CLI can allow a local attacker to obtain sensitive configuration information.\n\n## Announcement\n\nAnnouncement for this issue can be found at https://github.com/dotnet/announcements/issues/518\n\n## CVSS Details\n\n- **Version:** 3.1\n- **Severity:** High\n- **Score:** 7.3\n- **Vector:** `CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L`\n- **Weakness:** CWE-532 (Insertion of Sensitive Information into Log File)\n- **MSRC severity:** Important\n- **Impact:** Information Disclosure\n\n## Affected Platforms\n\n- **Platforms:** Linux, macOS\n- **Architectures:** x64, Arm64\n\n## \u003ca name=\"affected-packages\"\u003e\u003c/a\u003eAffected Packages\n\n### Standalone Aspire CLI\n\nPackage | Affected version | Patched version\n--- | --- | ---\nAspire CLI ([Aspire.Cli](https://www.nuget.org/packages/Aspire.Cli)) | \u003e= 13.2.0, \u003c 13.6.5 | 13.6.5\n[Aspire.Cli.linux-x64](https://www.nuget.org/packages/Aspire.Cli.linux-x64) | \u003e= 13.3.0, \u003c 13.6.5 | 13.6.5\n[Aspire.Cli.linux-arm64](https://www.nuget.org/packages/Aspire.Cli.linux-arm64) | \u003e= 13.3.0, \u003c 13.6.5 | 13.6.5\n[Aspire.Cli.linux-musl-x64](https://www.nuget.org/packages/Aspire.Cli.linux-musl-x64) | \u003e= 13.3.0, \u003c 13.6.5 | 13.6.5\n[Aspire.Cli.osx-x64](https://www.nuget.org/packages/Aspire.Cli.osx-x64) | \u003e= 13.3.0, \u003c 13.6.5 | 13.6.5\n[Aspire.Cli.osx-arm64](https://www.nuget.org/packages/Aspire.Cli.osx-arm64) | \u003e= 13.3.0, \u003c 13.6.5 | 13.6.5\n\n### Aspire CLI npm packages\n\nPackage | Affected version | Patched version\n--- | --- | ---\n[@microsoft/aspire-cli](https://www.npmjs.com/package/@microsoft/aspire-cli) | \u003e= 13.4.2, \u003c 13.6.5 | 13.6.5\n[@microsoft/aspire-cli-linux-x64](https://www.npmjs.com/package/@microsoft/aspire-cli-linux-x64) | \u003e= 13.4.2, \u003c 13.6.5 | 13.6.5\n[@microsoft/aspire-cli-linux-arm64](https://www.npmjs.com/package/@microsoft/aspire-cli-linux-arm64) | \u003e= 13.4.2, \u003c 13.6.5 | 13.6.5\n[@microsoft/aspire-cli-linux-musl-x64](https://www.npmjs.com/package/@microsoft/aspire-cli-linux-musl-x64) | \u003e= 13.4.2, \u003c 13.6.5 | 13.6.5\n[@microsoft/aspire-cli-osx-x64](https://www.npmjs.com/package/@microsoft/aspire-cli-osx-x64) | \u003e= 13.4.2, \u003c 13.6.5 | 13.6.5\n[@microsoft/aspire-cli-osx-arm64](https://www.npmjs.com/package/@microsoft/aspire-cli-osx-arm64) | \u003e= 13.4.2, \u003c 13.6.5 | 13.6.5\n\nThe affected component is the Aspire CLI\u0027s deprecated MCP configuration scanner, which ships in the CLI packages listed above. Its temporary-file diagnostics can include configuration content and use a fixed path in a shared temporary directory.\n\n## Advisory FAQ\n\n### \u003ca name=\"how-affected\"\u003e\u003c/a\u003eHow do I know if I am affected?\n\nThe reported scenario involves running Aspire CLI agent or MCP initialization commands on a non-Windows system with a temporary directory shared by multiple users. Versions 13.2.0 through 13.6.4 are affected.\n\nAspire ships independently of .NET. Installing a .NET runtime or SDK update does not establish that the affected Aspire CLI has been updated.\n\n### \u003ca name=\"how-fix\"\u003e\u003c/a\u003eHow do I fix the issue?\n\nUpdate the Aspire CLI to version 13.6.5 or later. If installed as a .NET tool, update the Aspire.Cli package. If installed using npm, update @microsoft/aspire-cli to version 13.6.5 or later; its platform-specific dependency must also resolve to version 13.6.5 or later. Otherwise update the CLI through its installation method.\n\n## Other Information\n\n### Reporting Security Issues\n\nIf you have found a potential security issue in a supported version of .NET, please report it to the Microsoft Security Response Center (MSRC) via the [MSRC Researcher Portal](https://msrc.microsoft.com/report/vulnerability/new). Further information can be found in the MSRC [Report an Issue FAQ](https://www.microsoft.com/msrc/faqs-report-an-issue).\n\nSecurity reports made through MSRC may qualify for the Microsoft .NET Bounty. Details of the Microsoft .NET Bounty Program including terms and conditions are at https://aka.ms/corebounty.\n\n### Support\n\nYou can ask questions about this issue in the [Aspire repository](https://github.com/microsoft/aspire).\n\n### Disclaimer\n\nThe information provided in this advisory is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.\n\n### External Links\n\n[CVE-2026-120792](https://www.cve.org/CVERecord?id=CVE-2026-120792)\n\n### Acknowledgements\n\n- l8BL with [ENKI WhiteHat](https://enki.co.kr/)\n- 71C4\n\n### Revisions\n\nV1.0 (November 10, 2026): Advisory published.",
  "id": "GHSA-q6jf-24jf-m3cg",
  "modified": "2026-11-11T00:31:23Z",
  "published": "2026-11-11T00:31:23Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/microsoft/aspire/security/advisories/GHSA-q6jf-24jf-m3cg"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-120792"
    },
    {
      "type": "WEB",
      "url": "https://github.com/dotnet/announcements/issues/518"
    },
    {
      "type": "WEB",
      "url": "https://github.com/microsoft/aspire/issues/22100"
    },
    {
      "type": "WEB",
      "url": "https://github.com/microsoft/aspire/pull/22071"
    },
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      "url": "https://github.com/microsoft/aspire/commit/c408ec5bf44e43203c278990a43aea93145248f3"
    },
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      "url": "https://github.com/microsoft/aspire"
    },
    {
      "type": "WEB",
      "url": "https://github.com/microsoft/aspire/releases/tag/v13.6.5"
    },
    {
      "type": "WEB",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-120792"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Microsoft Security Advisory CVE-2026-120792 - Aspire Information Disclosure Vulnerability"
}

CVE-2026-120792 (GCVE-0-2026-120792)

Vulnerability from cvelistv5 – Published: 2026-11-10 18:21 – Updated: 2026-11-12 21:49

Title

Aspire Information Disclosure Vulnerability

Summary

Insertion of sensitive information into log file in Aspire allows an authorized attacker to disclose information locally.

Severity

7.3 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L/E:U/RL:O/RC:C

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-11-11 01:16 UTC

CWE

CWE-532 - Insertion of Sensitive Information into Log File

Assigner

microsoft CNA under the mitre root

CNA scorecard B 82/100 over 4930 records in the last 180 days details

References

1 reference

URL	Tags
https://msrc.microsoft.com/update-guide/vulnerabi…	vendor-advisorypatch

Impacted products

1 product

Vendor	Product	Version
Microsoft	Aspire.Cli	Affected: 13.5.4 , < 13.6.5 (custom) cpe:2.3:a:microsoft:aspire.cli::::::::

Date Public

2026-11-10 16:00

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Publication & reservation Sightings KEV catalogs Other timestamps

Loading timeline…

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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