GT AI OS Community Edition v2.0.33

Security hardening release addressing CodeQL and Dependabot alerts:

- Fix stack trace exposure in error responses
- Add SSRF protection with DNS resolution checking
- Implement proper URL hostname validation (replaces substring matching)
- Add centralized path sanitization to prevent path traversal
- Fix ReDoS vulnerability in email validation regex
- Improve HTML sanitization in validation utilities
- Fix capability wildcard matching in auth utilities
- Update glob dependency to address CVE
- Add CodeQL suppression comments for verified false positives

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

scripts/migrations/009_add_tfa_schema.sql

@@ -0,0 +1,42 @@
+-- Migration 009: Add Two-Factor Authentication Schema
+-- Creates TFA fields in users table and supporting tables for rate limiting and token management
+
+-- Add TFA fields to users table
+ALTER TABLE users ADD COLUMN IF NOT EXISTS tfa_enabled BOOLEAN NOT NULL DEFAULT false;
+ALTER TABLE users ADD COLUMN IF NOT EXISTS tfa_secret TEXT;
+ALTER TABLE users ADD COLUMN IF NOT EXISTS tfa_required BOOLEAN NOT NULL DEFAULT false;
+
+-- Add indexes for query optimization
+CREATE INDEX IF NOT EXISTS ix_users_tfa_enabled ON users(tfa_enabled);
+CREATE INDEX IF NOT EXISTS ix_users_tfa_required ON users(tfa_required);
+
+-- Create TFA verification rate limits table
+CREATE TABLE IF NOT EXISTS tfa_verification_rate_limits (
+    id SERIAL PRIMARY KEY,
+    user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    request_count INTEGER NOT NULL DEFAULT 1,
+    window_start TIMESTAMP WITH TIME ZONE NOT NULL,
+    window_end TIMESTAMP WITH TIME ZONE NOT NULL,
+    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW()
+);
+
+CREATE INDEX IF NOT EXISTS ix_tfa_verification_rate_limits_user_id ON tfa_verification_rate_limits(user_id);
+CREATE INDEX IF NOT EXISTS ix_tfa_verification_rate_limits_window_end ON tfa_verification_rate_limits(window_end);
+
+-- Create used temp tokens table for replay prevention
+CREATE TABLE IF NOT EXISTS used_temp_tokens (
+    id SERIAL PRIMARY KEY,
+    token_id VARCHAR(255) NOT NULL UNIQUE,
+    user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    user_email VARCHAR(255),
+    tfa_configured BOOLEAN,
+    qr_code_uri TEXT,
+    manual_entry_key VARCHAR(255),
+    temp_token TEXT,
+    used_at TIMESTAMP WITH TIME ZONE,
+    expires_at TIMESTAMP WITH TIME ZONE NOT NULL,
+    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW()
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS ix_used_temp_tokens_token_id ON used_temp_tokens(token_id);
+CREATE INDEX IF NOT EXISTS ix_used_temp_tokens_expires_at ON used_temp_tokens(expires_at);