CVE-2018-3729
Path Traversal in localhost-now
localhost-now node module suffers from a Path Traversal vulnerability due to lack of validation of file, which allows a malicious user to read content of any file with known path.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
localhost-now node module suffers from a Path Traversal vulnerability due to lack of validation of file, which allows a malicious user to read content of any file with known path.
- Record
CVE-2018-3729- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
CVE List No score
localhost-now node module suffers from a Path Traversal vulnerability due to lack of validation of file, which allows a malicious user to read content of any file with known path.
- Record
CVE-2018-3729- Weakness
- CWE-22
- Updated
- 2026-11-02
EUVDEUVD-2018-0206 No score
localhost-now node module suffers from a Path Traversal vulnerability due to lack of validation of file, which allows a malicious user to read content of any file with known path.
- Record
EUVD-2018-0206- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2gjg-5x33-mmp2
Path Traversal in localhost-now
Versions of localhost-now before 1.0.2 are vulnerable to path traversal. This allows a remote attacker to read the content of an arbitrary file.
Recommendation
Update to version 1.0.2 or later.
- Record
GHSA-2gjg-5x33-mmp2- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
OSVGHSA-2gjg-5x33-mmp2
Path Traversal in localhost-now
Versions of localhost-now before 1.0.2 are vulnerable to path traversal. This allows a remote attacker to read the content of an arbitrary file.
Recommendation
Update to version 1.0.2 or later.
- Record
GHSA-2gjg-5x33-mmp2- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
localhost-nownpm |
before 1.0.2 | 1.0.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-3729 is a high vulnerability (CVSS 7.5) in Hackerone Localhost-now Node Module, published June 7, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.99%, the 80th percentile. Fixed in localhost-now 1.0.2.