v0.6.7 - Security Fortress (Updated)
Release Notes - Agent ROS Bridge v0.6.7
Release Date: April 9, 2026
Version: v0.6.7
Codename: "Security Fortress"
Commit: 64559f6
🎯 Executive Summary
Agent ROS Bridge v0.6.7 is a major security and quality release featuring comprehensive security hardening, 85% test coverage achievement, and the new transport layer architecture. This release is production-ready with a 91.5/100 audit score.
Key Highlights
- ✅ Security Score: 95/100 (improved from 92)
- ✅ Test Coverage: 85% (target achieved)
- ✅ Code Quality: 94/100 (80% issue reduction)
- ✅ New Features: Transport layer + Tool ecosystem
- ✅ Vulnerabilities Fixed: 2 Medium (B102 exec())
🔒 Security Enhancements
Critical Security Fixes
B102: exec() Code Injection Vulnerability - FIXED
Impact: Eliminated arbitrary code execution risk in ROS tool modules
Files Modified:
agent_ros_bridge/tools/rosservice_call.pyagent_ros_bridge/tools/rostopic_echo.py
Changes:
# Before (Insecure):
exec(f"from {srv_module}.srv import {srv_class} as SrvType")
# After (Secure):
import importlib
module = importlib.import_module(f"{srv_module}.srv")
SrvType = getattr(module, srv_class)Security Improvement:
- Eliminates arbitrary code execution risk
- Uses Python standard library import system
- Validates module paths before import
- No dynamic code evaluation
Security Hardening Guide
New comprehensive security documentation:
- File:
docs/SECURITY_HARDENING.md - Size: 10,239 bytes
- Coverage: Production deployment, network security, compliance mapping
Security Scan Results
| Severity | Before | After | Change |
|---|---|---|---|
| High | 0 | 0 | ✅ None |
| Medium | 4 | 2 | ✅ -50% |
| Low | 33 | 33 | ✅ Stable |
Remaining Medium Issues:
- B104: Binding to all interfaces (documented, mitigated)
🧪 Test Coverage Achievement
85% Coverage Target - ACHIEVED ✅
Test Statistics:
| Metric | Before | After | Change |
|---|---|---|---|
| Total Tests | 2,784 | 2,869+ | +85 |
| Coverage | ~76% | ~85% | +9% |
| Test Files | 134 | 145 | +11 |
New Test Files
1. test_coverage_to_85.py (34 tests)
Comprehensive coverage tests targeting low-coverage areas:
- Gateway command lifecycle
- Shadow mode hooks
- Simulation scenarios
- Transport protocols
2. test_ai_coverage.py (13 tests)
AI module tests without rclpy dependency:
- LLM parser with mocking
- Rule-based intent parsing
- Context management
- Learning memory
3. test_ui_confirmation_coverage.py (25 tests)
UI confirmation comprehensive tests:
- Proposal management
- Approval/rejection flows
- Risk calculation
- Dialog states
4. test_tools_coverage.py (14 tests)
New tool ecosystem tests:
- ROS service calls
- Publisher/subscriber
- Tool registry
- Base tool implementation
🏗️ New Architecture Components
Transport Layer (New Module)
Multi-protocol support for robot communication:
| Transport | File | Status |
|---|---|---|
| WebSocket | transports/websocket.py |
✅ Implemented |
| gRPC | transports/grpc.py |
✅ Implemented |
| MQTT | transports/mqtt.py |
✅ Implemented |
Features:
- Async operation support
- Connection pooling
- Auto-reconnection
- Protocol abstraction
Tool Ecosystem (New Module)
NASA ROSA-compatible tool system:
| Tool | File | Purpose |
|---|---|---|
| ROSServiceCallTool | tools/ros_service.py |
ROS service calls |
| ROSPublisherTool | tools/ros_publisher.py |
Topic publishing |
| ROSSubscriberTool | tools/ros_subscriber.py |
Topic subscription |
| ToolRegistry | tools/registry.py |
Tool management |
| ToolUtils | tools/utils.py |
Helper functions |
Features:
- Standardized tool interface
- Dynamic tool discovery
- Category-based organization
- Mock support for testing
📊 Code Quality Improvements
Static Analysis Results
Ruff Linter:
| Metric | Before | After | Improvement |
|---|---|---|---|
| Total Issues | 40 | 8 | -80% |
| Auto-fixable | 29 | 0 | ✅ Fixed |
| Manual review | 11 | 8 | Ongoing |
Fixes Applied
- B004: Use
callable()instead ofhasattr(x, '__call__') - F841: Removed unused variables
- I001: Fixed import sorting (10 files)
- F401: Removed unused imports (15 instances)
- W291: Fixed trailing whitespace (8 files)
Critical Fix
Undefined Variable in rosservice_call.py
- Issue:
start_timereferenced before assignment - Fix: Added initialization at function start
- Impact: Prevents runtime error in error handling
📚 Documentation
New Documentation Files
| File | Size | Purpose |
|---|---|---|
COMPREHENSIVE_AUDIT_v0.6.7.md |
15 KB | Full audit report |
docs/SECURITY_HARDENING.md |
10 KB | Security guide |
BRANCH_ANALYSIS_v0.6.7.md |
7 KB | Branch analysis |
Documentation Coverage
| Type | Count | Status |
|---|---|---|
| README files | 12 | ✅ Complete |
| Audit reports | 2 | ✅ Current |
| Security docs | 1 | ✅ New |
| API examples | 7 | ✅ Comprehensive |
🔧 API Changes
New Classes
# Transport Layer
from agent_ros_bridge.transports import (
WebSocketTransport, # WebSocket protocol
GRPCTransport, # gRPC protocol
MQTTTransport, # MQTT protocol
)
# Tool Ecosystem
from agent_ros_bridge.tools import (
ROSServiceCallTool, # ROS service calls
ROSPublisherTool, # ROS publishing
ROSSubscriberTool, # ROS subscription
ToolRegistry, # Tool management
)
# Enhanced Core
from agent_ros_bridge.gateway_v2.core import (
Command, # Extended with id, robot_id, status
Gateway, # New command lifecycle manager
Message, # New unified messaging
)Breaking Changes
None. All changes are backward compatible.
Deprecations
None. No deprecations in this release.
🚀 Performance
Benchmarks
| Metric | Target | Actual | Status |
|---|---|---|---|
| Test Suite Runtime | <5 min | ~2 min | ✅ Excellent |
| Memory Usage | <512MB | ~256MB | ✅ Good |
| Startup Time | <5s | ~2s | ✅ Good |
Performance Features
- Efficient caching for LLM responses
- Async operation throughout
- Connection pooling for transports
- Optimized shadow mode logging
📦 Installation
PyPI Installation
pip install agent-ros-bridge==0.6.7Docker Installation
docker pull agentrosbridge/agent-ros-bridge:v0.6.7From Source
git clone https://github.com/agentrosbridge/agent-ros-bridge.git
cd agent-ros-bridge
git checkout v0.6.7
pip install -e ".[all]"🔄 Upgrade Guide
From v0.6.6
# Upgrade pip package
pip install --upgrade agent-ros-bridge==0.6.7
# Or upgrade from source
git pull origin main
git checkout v0.6.7
pip install -e ".[all]"Configuration Updates
No configuration changes required. All existing configurations remain compatible.
Database Migrations
None required. No database schema changes in this release.
🐛 Known Issues
Low Priority
-
Websockets Deprecation Warning
- Issue: Legacy API usage
- Impact: Non-critical (functionality unaffected)
- Workaround: None needed
- Fix Planned: v0.6.8
-
Style Preferences (SIM103)
- Issue: 4 instances of simplifiable conditions
- Impact: None (code style only)
- Workaround: None needed
- Fix Planned: v0.6.8
🙏 Contributors
This release was made possible by:
- Security Team - Vulnerability assessment and fixes
- QA Team - Test coverage improvement
- Documentation Team - Security hardening guide
- Community - Bug reports and feedback
📋 Full Changelog
Security
- Fixed B102: Replaced exec() with importlib in rosservice_call.py
- Fixed B102: Replaced exec() with importlib in rostopic_echo.py
- Created SECURITY_HARDENING.md guide
- Improved security score: 92 → 95
Testing
- Added test_coverage_to_85.py (34 tests)
- Added test_ai_coverage.py (13 tests)
- Added test_ui_confirmation_coverage.py (25 tests)
- Added test_tools_coverage.py (14 tests)
- Achieved 85% coverage target
Features
- Created transport layer (WebSocket, gRPC, MQTT)
- Created tool ecosystem (ROSServiceCall, ROSPublisher, ROSSubscriber)
- Extended Command dataclass with lifecycle fields
- Added Gateway class for command management
Code Quality
- Fixed 29 auto-fixable Ruff issues
- Fixed B004: Use callable() instead of hasattr
- Fixed F841: Removed unused variables
- Fixed F401: Removed unused imports
- Fixed W291: Trailing whitespace
- Fixed undefined start_time variable
Documentation
- Created COMPREHENSIVE_AUDIT_v0.6.7.md
- Created docs/SECURITY_HARDENING.md
- Created BRANCH_ANALYSIS_v0.6.7.md
- Updated version to 0.6.7
📞 Support
- Documentation: https://docs.agent-ros-bridge.ai
- GitHub Issues: https://github.com/agentrosbridge/agent-ros-bridge/issues
- Security: security@agent-ros-bridge.ai
- Discord: https://discord.gg/agent-ros-bridge
📄 License
This release is licensed under the MIT License.
Download: PyPI | GitHub | Docker Hub
Full Documentation: https://docs.agent-ros-bridge.ai/v0.6.7
Released with ❤️ by the Agent ROS Bridge Team