CVE-2026-40903: CWE-829: Inclusion of Functionality from Untrusted Control Sphere in patrickhener goshs
goshs is a SimpleHTTPServer written in Go. Prior to 2.0.0-beta.6, goshs has an ArtiPACKED vulnerability. ArtiPACKED can lead to leakage of the GITHUB_TOKEN through workflow artifacts, even though the token is not present in the repository source code. This vulnerability is fixed in 2.0.0-beta.6.
AI Analysis
Technical Summary
CVE-2026-40903 affects goshs, a SimpleHTTPServer written in Go by patrickhener. Versions before 2.0.0-beta.6 are vulnerable to an ArtiPACKED flaw that allows inclusion of functionality from an untrusted control sphere (CWE-829). This flaw can lead to unintended exposure of the GITHUB_TOKEN via workflow artifacts, even though the token is not stored in the source code repository. The vulnerability is critical (CVSS 9.1) with high confidentiality and integrity impact, exploitable remotely without authentication or user interaction. The issue is resolved in goshs version 2.0.0-beta.6.
Potential Impact
Successful exploitation of this vulnerability can result in the leakage of the GITHUB_TOKEN, which could allow attackers to gain unauthorized access to GitHub workflows or repositories. This compromises confidentiality and integrity of the affected environment. There are no known exploits in the wild at this time.
Mitigation Recommendations
A fix is available in goshs version 2.0.0-beta.6. Users should upgrade to this version or later to remediate the vulnerability. Since no official patch links or vendor advisory are provided, verify the upgrade from the official goshs repository or trusted sources. Patch status is confirmed by the version change note in the description.
CVE-2026-40903: CWE-829: Inclusion of Functionality from Untrusted Control Sphere in patrickhener goshs
Description
goshs is a SimpleHTTPServer written in Go. Prior to 2.0.0-beta.6, goshs has an ArtiPACKED vulnerability. ArtiPACKED can lead to leakage of the GITHUB_TOKEN through workflow artifacts, even though the token is not present in the repository source code. This vulnerability is fixed in 2.0.0-beta.6.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-40903 affects goshs, a SimpleHTTPServer written in Go by patrickhener. Versions before 2.0.0-beta.6 are vulnerable to an ArtiPACKED flaw that allows inclusion of functionality from an untrusted control sphere (CWE-829). This flaw can lead to unintended exposure of the GITHUB_TOKEN via workflow artifacts, even though the token is not stored in the source code repository. The vulnerability is critical (CVSS 9.1) with high confidentiality and integrity impact, exploitable remotely without authentication or user interaction. The issue is resolved in goshs version 2.0.0-beta.6.
Potential Impact
Successful exploitation of this vulnerability can result in the leakage of the GITHUB_TOKEN, which could allow attackers to gain unauthorized access to GitHub workflows or repositories. This compromises confidentiality and integrity of the affected environment. There are no known exploits in the wild at this time.
Mitigation Recommendations
A fix is available in goshs version 2.0.0-beta.6. Users should upgrade to this version or later to remediate the vulnerability. Since no official patch links or vendor advisory are provided, verify the upgrade from the official goshs repository or trusted sources. Patch status is confirmed by the version change note in the description.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-04-15T16:37:22.767Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69e7d78519fe3cd2cdf5b32e
Added to database: 4/21/2026, 8:01:09 PM
Last enriched: 4/21/2026, 8:16:15 PM
Last updated: 4/22/2026, 6:08:38 AM
Views: 8
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