depath and cool-path vulnerable to Prototype Pollution via `set()` Method

published 2025-03-28 19 mo ago modified 2026-06-17 4 mo ago also GHSA-4h4x-4m75-47j4 , EUVD-2024-54326

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits: 0; none known

janryWang products depath v1.0.6 and cool-path v1.1.2 were discovered to contain a prototype pollution via the set() method at setIn (lib/index.js:90). This vulnerability allows attackers to execute arbitrary code or cause a Denial of Service (DoS) via injecting arbitrary properties.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: total
Assessed: 19 mo ago (2025-04-01)

Exploit prediction

0.81% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

gist.github.com https://gist.github.com/mestrtee/32c0a48023036e51918f6a098f21953d referenced PoC, tagged "exploit" by a source, unverified
github.com https://github.com/janryWang/depath/issues/11 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
npm	depath	<=1.0.6	no fix listed
npm	cool-path	<=1.1.2	no fix listed

Classification

Weakness

CWE-1321 Improperly Controlled Modification of Object Prototype Attributes

References

gist.github.com /mestrtee/32c0a48023036e51918f6a098f21953d
exploit, web
github.com /janryWang/depath/issues/11
web, exploit
nvd.nist.gov /vuln/detail/CVE-2024-38985
advisory
github.com /janryWang/depath
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary