# CVE-2015-7519: Phusion Passenger allows remote attackers to spoof headers

Source: https://junglewise.ai/threats/cve-2015-7519-phusion-passenger-allows-remote-attackers-to-spoof-headers  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2018-10-10  
License: CC BY 4.0 with a link back

CVE-2015-7519 · Severity: low · CVSS 3 · Published 2018-10-10

Phusion Passenger allows remote attackers to spoof headers

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

## Quick answers

**Is CVE-2015-7519 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2015-7519 being exploited in the wild.

**How severe is CVE-2015-7519?** Low severity, with a CVSS score of 3, published 10 October 2018.

**Which products and versions are affected?** passenger (RubyGems) ECOSYSTEM:introduced=0,fixed=4.0.60.

**Is there a fix for CVE-2015-7519?** Yes. passenger (RubyGems): upgrade to 4.0.60 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2015-7519?** 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 4.0.60 or later

  ```sh
  bundle update passenger
  ```


## Affected products

- passenger (RubyGems) ECOSYSTEM:introduced=0,fixed=4.0.60

## Identifiers

- CVE-2015-7519
- GHSA-fxwv-953p-7qpf

## 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)