Directory Traversal in sencisho

published 2018-06-07 8 y ago modified 2026-06-17 4 mo ago also GHSA-6866-x7cf-rmh5 , EUVD-2018-0231

cvss: 7.5; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.0%; EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits: 0; none known

Sencisho is a simple http server for local development. Sencisho is vulnerable to a directory traversal issue, giving an attacker access to the filesystem by placing "../" in the URL.

Exploit prediction

1.97% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

nodesecurity.io https://nodesecurity.io/advisories/340 referenced PoC, tagged "exploit" by a source, unverified
github.com https://github.com/JacksonGL/NPM-Vuln-PoC/tree/master/directory-traversal/sencisho referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.0	7.5	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N
GitHub	3.0	7.5	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem	package	affected	fixed in
npm	sencisho	<=0.3.3	no fix listed

Affected products

HackerOne sencisho node module

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

nodesecurity.io /advisories/340
exploit, third-party-advisory
github.com /JacksonGL/NPM-Vuln-PoC/tree/master/directory-traversal/sencisho
web, exploit, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2017-16092
advisory
github.com /advisories/GHSA-6866-x7cf-rmh5
advisory
npmjs.com /advisories/340
web

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