# CVE-2009-3086: actionpack and activesupport vulnerable to information leaks

Source: https://junglewise.ai/threats/cve-2009-3086-actionpack-and-activesupport-vulnerable-to-information-leaks  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2017-10-24  
License: CC BY 4.0 with a link back

CVE-2009-3086 · Severity: info · Published 2017-10-24

actionpack and activesupport vulnerable to information leaks

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

## Quick answers

**Is CVE-2009-3086 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2009-3086 being exploited in the wild.

**How severe is CVE-2009-3086?** Informational severity, published 24 October 2017.

**Which products and versions are affected?** actionpack (RubyGems) ECOSYSTEM:introduced=2.1.0,fixed=2.2.3; activesupport (RubyGems) ECOSYSTEM:introduced=2.1.0,fixed=2.2.3.

**Is there a fix for CVE-2009-3086?** Yes. actionpack (RubyGems): upgrade to 2.2.3 or later; activesupport (RubyGems): upgrade to 2.2.3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2009-3086?** Check whether you run actionpack (RubyGems) or activesupport (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

- actionpack (RubyGems): upgrade to 2.2.3 or later

  ```sh
  bundle update actionpack
  ```

- activesupport (RubyGems): upgrade to 2.2.3 or later

  ```sh
  bundle update activesupport
  ```


## Affected products

- actionpack (RubyGems) ECOSYSTEM:introduced=2.1.0,fixed=2.2.3
- activesupport (RubyGems) ECOSYSTEM:introduced=2.1.0,fixed=2.2.3

## Identifiers

- CVE-2009-3086
- GHSA-fg9w-g6m4-557j

## Related threats

- [Rails Action Pack remote IP spoofing in request handling](https://junglewise.ai/threats/cve-2026-126083-action-pack-is-a-framework-for-handling-and-responding-to-web)
- [Rails Action Pack mass assignment bypass in Parameters#each_key](https://junglewise.ai/threats/cve-2026-126081-action-pack-is-a-framework-for-handling-and-responding-to-web)
- [Rails Active Support regular expression injection in safe_constantize](https://junglewise.ai/threats/cve-2026-126080-active-support-is-a-collection-of-utility-classes-and-standard)
- [Rails Action Pack session cookie exposure in cached responses](https://junglewise.ai/threats/cve-2026-126077-action-pack-is-a-framework-for-handling-and-responding-to-web)
- [Ruby on Rails Action Pack session restoration after logout](https://junglewise.ai/threats/cve-2026-126076-action-pack-is-a-framework-for-handling-and-responding-to-web)