Vulnerability · Published Apr 21, 2026 · Assigned by GitHub_M
CVE-2026-40903Goshs - ArtiPACKED Vulnerability – GitHub Actions Credential Persistence
Critical 9.1
In plain English
A critical-severity security flaw in goshs from patrickhener. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).
Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.2%top 84.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| patrickhener | goshs | < 2.0.0-beta.6 |
Weakness: CWE-829 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
References
- https://github.com/patrickhener/goshs/security/advisories/GHSA-hpxj-9fgp-fhhf x_refsource_CONFIRM