# CVE-2013-4136: insecure temporary directory usage in passenger

Source: https://junglewise.ai/threats/cve-2013-4136-insecure-temporary-directory-usage-in-passenger  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2017-10-24  
License: CC BY 4.0 with a link back

CVE-2013-4136 · Severity: info · Published 2017-10-24

insecure temporary directory usage in passenger

Technologies: [passenger (RubyGems)](https://junglewise.ai/threats/technologies/passenger). Vendors: [RubyGems](https://junglewise.ai/threats/vendors/rubygems).

## Quick answers

**Is CVE-2013-4136 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2013-4136 being exploited in the wild.

**How severe is CVE-2013-4136?** Informational severity, published 24 October 2017.

**Which products and versions are affected?** passenger (RubyGems) ECOSYSTEM:introduced=0,fixed=4.0.6.

**Is there a fix for CVE-2013-4136?** Yes. passenger (RubyGems): upgrade to 4.0.6 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2013-4136?** Check whether you run passenger (RubyGems) 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

- passenger (RubyGems): upgrade to 4.0.6 or later

  ```sh
  bundle update passenger
  ```


## Affected products

- passenger (RubyGems) ECOSYSTEM:introduced=0,fixed=4.0.6

## Identifiers

- CVE-2013-4136
- GHSA-w6rc-q387-vpgq

## Related threats

- [Phusion Passenger denial of service](https://junglewise.ai/threats/cve-2025-26803-phusion-passenger-denial-of-service)
- [Phusion Passenger Race Condition Allows Privilege Escalation](https://junglewise.ai/threats/cve-2018-12029-phusion-passenger-race-condition-allows-privilege-escalation)
- [Phusion Passenger SpawningKit Contains Arbitrary Read/Write Vulnerability](https://junglewise.ai/threats/cve-2018-12026-phusion-passenger-spawningkit-contains-arbitrary-read-write)
- [Phusion Passenger incorrect permission assignment](https://junglewise.ai/threats/cve-2018-12615-phusion-passenger-incorrect-permission-assignment)
- [Incorrect Access Control in Phusion Passenger](https://junglewise.ai/threats/cve-2018-12028-incorrect-access-control-in-phusion-passenger)