# CVE-2015-8859: send package for Node.js path disclosure

Source: https://junglewise.ai/threats/cve-2015-8859-send-package-for-node-js-path-disclosure  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2017-01-23. Updated: 2026-05-13  
License: CC BY 4.0 with a link back

CVE-2015-8859 · Severity: medium · CVSS 5.3 · Published 2017-01-23

The 'send' library for Node.js, which is used to stream files from the server to clients, contains a vulnerability that can reveal the server's internal root file path. An attacker could use this information to map the server's file system, potentially aiding in more complex attacks or data theft. This issue affects applications using versions of the library older than 0.11.1.

Technologies: [Send](https://junglewise.ai/threats/technologies/npm-send).

## Quick answers

**Is CVE-2015-8859 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2015-8859 being exploited in the wild.

**How severe is CVE-2015-8859?** Medium severity, with a CVSS score of 5.3, published 23 January 2017.

**Which products and versions are affected?** Send SEMVER:introduced=0,fixed=0.11.1.

**Is there a fix for CVE-2015-8859?** Yes. Send: upgrade to 0.11.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2015-8859 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2015-8859?** Check whether you run Send Project Send or Send at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Send: upgrade to 0.11.1 or later

## Technical details

A path disclosure vulnerability exists in the 'send' package for Node.js in versions prior to 0.11.1. The flaw allows a remote, unauthenticated attacker to obtain the absolute root path of the application on the server's file system. This is typically classified as an information exposure vulnerability (CWE-200). While the specific exploitation vector is not detailed in the advisory, it is reachable over the network without prior authentication. The issue was addressed in version 0.11.1.

## Affected products

- send_project send < 0.11.1

## Identifiers

- CVE-2015-8859
- GHSA-jgqf-hwc5-hh37

## Timeline

- 2015-08-01: disclosed: Approximate date based on CVE assignment year and related advisories
- 2017-01-23: advisory: NVD publication date

## References

- [http://www.openwall.com/lists/oss-security/2016/04/20/11](http://www.openwall.com/lists/oss-security/2016/04/20/11)
- [http://www.securityfocus.com/bid/96435](http://www.securityfocus.com/bid/96435)
- [https://nodesecurity.io/advisories/56](https://nodesecurity.io/advisories/56)

## Related threats

- [send template injection leading to XSS](https://junglewise.ai/threats/cve-2024-43799-send-template-injection-leading-to-xss)
- [visionmedia send path traversal vulnerability](https://junglewise.ai/threats/visionmedia-send-path-traversal-vulnerability-279606be)
- [send directory traversal vulnerability](https://junglewise.ai/threats/cve-2014-6394-send-directory-traversal-vulnerability)