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Vulnerability advisory

GHSA-8877-prq4-9xfw

Actionpack Open Redirect Vulnerability

Published Updated OSV record ↗

Also known as CVE-2021-22881

Severity
  • CVSS 3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected versions

actionpack RubyGems

All actionpack advisories →
AffectedFixed in
6.0.0 to before 6.0.3.56.0.3.5Advisories →
Also listed as affected (14)
6.1.0 to before 6.1.2.16.1.2.1Advisories →
Also listed as affected (3)

Description

The Host Authorization middleware in Action Pack before 6.1.2.1, 6.0.3.5 suffers from an open redirect vulnerability. Specially crafted Host headers in combination with certain "allowed host" formats can cause the Host Authorization middleware in Action Pack to redirect users to a malicious website.

References

  • Codex
  • Claude Code
  • VS Code
  • GitHub Copilot
  • Cursor
  • Cline
  • Windsurf
  • Google Anti-gravity
  • OpenCode
  • Pi
  • Gemini CLI
  • Hermes Agent
  • Zed
  • Junie
  • Qwen Code
  • Kiro
  • Kilo Code
  • Factory Droid

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