Uncaught Exception Affecting websocket-driver package, versions <0.8.2
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Test your applications- Snyk IDSNYK-RUBY-WEBSOCKETDRIVER-17895112
- published8 Jul 2026
- disclosed8 Jul 2026
- creditpranjalithakur
Introduced: 8 Jul 2026
NewCVE-2026-61666 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade websocket-driver to version 0.8.2 or higher.
Overview
Affected versions of this package are vulnerable to Uncaught Exception in the server process when handling a malformed Host header. An attacker can cause the server to crash by sending a specially crafted Host header that is not a valid host[:port] string, resulting in an uncaught exception.