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Vulnerabilities

Vulnerability · CVE-2026-40903

goshs is a SimpleHTTPServer written in Go.

Published Apr 21, 2026 · catalog updated Jun 17, 2026 · goshs is a SimpleHTTPServer

Check if you run it

No confirmed exploitation is on record for CVE-2026-40903. EPSS is 0.43%. Act only if a listed version of goshs is a SimpleHTTPServer is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (goshs is a SimpleHTTPServer).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.43%
Remediation
Advisory link
Affected products
cpe goshs/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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe goshs/goshs2.0.0

How to fix CVE-2026-40903

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-40903. EPSS is 0.43%. Act only if a listed version of goshs is a SimpleHTTPServer is installed.

Which versions are affected?

Compare what you have installed with 2.0.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-829: Inclusion of Functionality from Untrusted Control Sphere. EPSS 0.43%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 21, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-40903

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-40903

    30-day exploitation probability 0.4%

    first.org
  • NIST NVDVulnerability recordCVE-2026-40903

    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

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.