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Vulnerability details: VCID-ga3h-gkza-z3h9
Vulnerability ID VCID-ga3h-gkza-z3h9
Aliases CVE-2018-3729
GHSA-2gjg-5x33-mmp2
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00347 https://api.first.org/data/v1/epss?cve=CVE-2018-3729
cvssv3.1 7.5 https://github.com/advisories/GHSA-2gjg-5x33-mmp2
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-2gjg-5x33-mmp2
generic_textual HIGH https://github.com/advisories/GHSA-2gjg-5x33-mmp2
cvssv3 8.6 https://github.com/DCKT/localhost-now/commit/30b004c7f145d677df8800a106c2edc982313995#diff-b9cfc7f2cdf78a7f4b91a753d10865a2
cvssv3.1 7.5 https://github.com/DCKT/localhost-now/commit/30b004c7f145d677df8800a106c2edc982313995#diff-b9cfc7f2cdf78a7f4b91a753d10865a2
generic_textual HIGH https://github.com/DCKT/localhost-now/commit/30b004c7f145d677df8800a106c2edc982313995#diff-b9cfc7f2cdf78a7f4b91a753d10865a2
cvssv3 8.6 https://github.com/nodejs/security-wg/blob/main/vuln/npm/377.json
cvssv3 8.6 https://hackerone.com/reports/312889
cvssv3.1 7.5 https://hackerone.com/reports/312889
generic_textual HIGH https://hackerone.com/reports/312889
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2018-3729
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2018-3729
cvssv3.1 7.5 https://www.npmjs.com/advisories/582
generic_textual HIGH https://www.npmjs.com/advisories/582
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2018-3729
https://github.com/DCKT/localhost-now/commit/30b004c7f145d677df8800a106c2edc982313995#diff-b9cfc7f2cdf78a7f4b91a753d10865a2
https://hackerone.com/reports/312889
https://www.npmjs.com/advisories/582
377 https://github.com/nodejs/security-wg/blob/main/vuln/npm/377.json
CVE-2018-3729 https://nvd.nist.gov/vuln/detail/CVE-2018-3729
GHSA-2gjg-5x33-mmp2 https://github.com/advisories/GHSA-2gjg-5x33-mmp2
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/advisories/GHSA-2gjg-5x33-mmp2
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/DCKT/localhost-now/commit/30b004c7f145d677df8800a106c2edc982313995#diff-b9cfc7f2cdf78a7f4b91a753d10865a2
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://hackerone.com/reports/312889
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-3729
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://www.npmjs.com/advisories/582
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.57558
EPSS Score 0.00347
Published At May 30, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-30T20:53:45.265705+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/localhost-now/CVE-2018-3729.yml 38.6.0