by Kastro
Paper/Archive/CVE-2026-40903

CVE-2026-40903

patrickhener goshs — Goshs - ArtiPACKED Vulnerability – GitHub Actions Credential Persistence

EPSS 0.2%CVSS 9.1
critical.is priorityof 100
31
CVSS 9.1 (CNA)9.1 / 10 × 3027.3Not in CISA KEV+300.0EPSS percentile 15.8.158 × 203.2No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
goshs< 2.0.0-beta.6–CNA

Scores by source

GitHub_M (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refgithub.com/patrickhener/goshs/security/advisories/GHSA-hpxj-9fgp-fhhf