GHSA-q2qh-cgc2-qhr3 · Severity: medium · Ecosystem: npm — Directory Traversal in serve
serve node module before 6.4.9 suffers from a Path Traversal vulnerability due to not handling %2e (.) and %2f (/) and allowing them in paths, which allows a malicious user to view the contents of any directory with known path.
Conclusion & alert: CVE-2018-3712 is rated High Exploit Risk (66.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.68%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-03-04 | 0.38% | 0.68% | +0.30% |
| 2 | 2026-03-01 | 0.68% | 0.38% | -0.30% |
| 3 | 2026-02-04 | — | 0.68% | — |
Full EPSS history (32 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.0 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| 4.0 | 2.0 | MEDIUM |
|
8.0 | 2.9 | [email protected] |
GHSA-q2qh-cgc2-qhr3 · Severity: medium · Ecosystem: npm — Directory Traversal in serve
| URL | Tags |
|---|---|
| https://github.com/zeit/serve/pull/316 | Vendor Advisory |
| https://hackerone.com/reports/307666 | Exploit Technical Description |