---
gem: omniauth
cve: 2017-18076
url: https://github.com/omniauth/omniauth/pull/867
title: omniauth leaks authenticity token in callback params
date: 2017-01-11

description: |
  In strategy.rb in OmniAuth before 1.3.2, the authenticity_token value is improperly protected because POST (in addition to GET) parameters are stored in the session and become available in the environment of the callback phase.

cvss_v2: 6.8

patched_versions:
  - ">= 1.3.2"

related:
  url:
    - https://nvd.nist.gov/vuln/detail/CVE-2017-18076