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fix: the defaultconfig() function sets checkorigin t... in handler.go - #7

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anupamme:fix-repo-roomer-cswsh-check-origin-validation
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fix: the defaultconfig() function sets checkorigin t... in handler.go#7
anupamme wants to merge 1 commit into
joncody:mainfrom
anupamme:fix-repo-roomer-cswsh-check-origin-validation

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Summary

Fix high severity security issue in handler.go.

Vulnerability

Field Value
ID V-001
Severity HIGH
Scanner multi_agent_ai
Rule V-001
File handler.go:36
Assessment Likely exploitable
Chain Complexity 2-step

Description: The DefaultConfig() function sets CheckOrigin to always return true, allowing WebSocket connections from any origin. This enables Cross-Site WebSocket Hijacking (CSWSH) attacks.

Evidence

Exploitation scenario: Attacker hosts malicious webpage, victim visits while authenticated to target application, malicious JavaScript establishes WebSocket connection which is accepted due to permissive origin check.

Scanner confirmation: multi_agent_ai rule V-001 flagged this pattern.

Production code: This file is in the production codebase, not test-only code.

Threat Model Context

This is a Go service - vulnerabilities in HTTP handlers are remotely exploitable.

Changes

  • handler.go

Behavior Preservation

The change is scoped to 1 file on the vulnerable path; it only tightens handling of untrusted input and leaves valid inputs unaffected.


Automated security fix by OrbisAI Security

Automated security fix generated by OrbisAI Security
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