Goshs - ArtiPACKED Vulnerability – GitHub Actions Credential Persistence

published 2026-04-21 6 mo ago modified 2026-10-26 13 d ago also EUVD-2026-24282

cvss: 9.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 15%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

goshs goshs 2.0.0

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 6 mo ago (2026-04-22)

Exploit prediction

0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

patrickhener goshs

Classification

Weakness

CWE-829 Inclusion of Functionality from Untrusted Control Sphere

References

github.com /patrickhener/goshs/security/advisories/GHSA-hpxj-9fgp-fhhf
vendor-advisory

Sources

CVE List CVE-2026-40903
NVD CVE-2026-40903

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary