Path traversal in HackerOne serve node module
Priority LOW 32CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-22 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.0179 78th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed serve node module (HackerOne): 6.4.9serve (npm): 6.4.9
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| HackerOne | serve node module | before 6.4.9 | 6.4.9 | Patch available | CNA |
| — | serve (npm) | before 6.4.9 | 6.4.9 | Patch available | GHSA-q2qh-cgc2-qhr3 |
- serve node module VendorHackerOne Affected before 6.4.9 Fixed in 6.4.9 Patch available CNA
- serve (npm) Vendor— Affected before 6.4.9 Fixed in 6.4.9 Patch available GHSA-q2qh-cgc2-qhr3
Remediation
- Fix · CNA serve node module (HackerOne) Fixed in 6.4.9
- Fix · GHSA-q2qh-cgc2-qhr3 serve (npm) Fixed in 6.4.9 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2018-3712
- 2026-10-03 Alias added: GHSA-q2qh-cgc2-qhr3
References
More zeit Serve vulnerabilities
- TI-2019-03827 Path traversal in serve CVSS 3.0HIGH 7.5
- TI-2019-03825 Improper privilege management in serve CVSS 3.1HIGH 7.5
- TI-2018-02716 serve node module suffers from Improper Handling of URL Encoding by permitting access to… CVSS 3.1MEDIUM 5.3
- TI-2018-02781 Information exposure through directory listings in serve 6.5.3 allows directory listing… CVSS 3.0MEDIUM 5.3
Sources
- CVE-2018-3712 · CVE Program
- CVE-2018-3712 · NVD
- FIRST EPSS
- GHSA-q2qh-cgc2-qhr3 · GitHub Advisory Database · CC BY 4.0
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