restify node-restify up to 12.0.0 /lib/plugins/static.js serveStatic path traversal

Summaryinfo

A vulnerability categorized as problematic has been discovered in restify node-restify up to 12.0.0. This impacts the function serveStatic in the library /lib/plugins/static.js. Such manipulation leads to path traversal. This vulnerability is uniquely identified as CVE-2026-90494. The attack can be launched remotely. No exploit exists. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in restify node-restify up to 12.0.0. It has been rated as problematic. Affected by this issue is the function serveStatic in the library /lib/plugins/static.js. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality.

This vulnerability is handled as CVE-2026-90494. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 09/12/2026). This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• restify

Name

• node-restify

Version

• 12.0

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

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Threat Intelligenceinfo

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Submitinfo

Accepted

• Submit #892870: Restify Project node-restify 11.1.0 Path Traversal (by ciphersecuritylabs)

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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