Servers and applications
GHSA-2w9f-fxwj-w2qf
Possible XSS vulnerability in Active Support MessagePack serializer
- Severity
- Medium 4.7
- Published
- 4 Nov 2026
- Last changed
- 4 Nov 2026
- Added to UpHeron
- 4 Nov 2026
- Fixed in
- 8.1.4.1
- Sources
- Project advisories (GitHub)
Affected software
| Software | Affected versions |
|---|---|
Ruby on RailsServers and applications · github:rails/rails |
|
References
- GitHub Advisory Database https://github.com/advisories/GHSA-2w9f-fxwj-w2qf
- github.com https://github.com/rails/rails/security/advisories/GHSA-2w9f-fxwj-w2qf