CVE-2023-26111 — All versions of the package @nubosoftware/node-static; all versions of the packa

All versions of the package @nubosoftware/node-static; all versions of the package node-static are vulnerable to Directory Traversal due to improper file path sanitization in the startsWith() method in the servePath function.

01What is this vulnerability?

All versions of the package @nubosoftware/node-static; all versions of the package node-static are vulnerable to Directory Traversal due to improper file path sanitization in the startsWith() method in the servePath function.

02Affected products

Vendor	Product	Versions
n	a / @nubosoftware/node	static — 0
n	a / node	static — 0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-03-06T05:00:03.346Z
• Last modified: 2025-03-05T20:30:05.472Z

09References

• security.snyk.io — https://security.snyk.io/vuln/SNYK-JS-NUBOSOFTWARENODESTATIC-3149927
• security.snyk.io — https://security.snyk.io/vuln/SNYK-JS-NODESTATIC-3149928
• gist.github.com — https://gist.github.com/lirantal/c80b28e7bee148dc287339cb483e42bc
• github.com — https://github.com/cloudhead/node-static/blob/master/lib/node-static.js%23L160-L…