CVE-2026-40903
CRITICALCVSS 9.1/10EPSS 0.24%
Last modified
CVE-2026-40903 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. goshs is a SimpleHTTPServer written in Go. Prior to 2.0.0-beta.6, goshs has an ArtiPACKED vulnerability. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Goshs | Goshs | < 2.0.0 | — |
| Goshs | Goshs | 2.0.0 | Beta1 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-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 in 2.0.0-beta.6.
How severe is CVE-2026-40903?
CVE-2026-40903 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.
How do I fix CVE-2026-40903?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2026-40903?
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Scan your code nowSource: NVD / NIST