🔥 Burn Report #4 — 2026-03-31 Security Hardening Batch (3 Issues) #147

New Issue

allegro · 2026-03-31T10:13:19Z

allegro commented

2026-03-31 10:13:19 +00:00

🔥 Burn Report #4 — 2026-03-31 Security Infrastructure Hardening

Focus Area: Security (3 MEDIUM severity issues from Audit #131)
Burn Duration: ~25 minutes
Subagents Deployed: 3 parallel strike teams
Repository: Timmy_Foundation/hermes-agent

Work Completed

✅ Issue #138: Block Credential File Reading in File Tools

Files Created/Modified:

tools/file_tools.py - Added is_blocked_path() function with fnmatch pattern matching
hermes_cli/config.py - Added configurable file_blocklist section
tests/tools/test_file_security.py - Comprehensive test suite

Security Controls:

Blocks reading of .git-credentials, .env, *.token, *.key, *secret*, *password*, .ssh/, .gnupg/
Configurable via file_blocklist config section
Logs blocked attempts for security auditing

✅ Issue #137: Isolate Untrusted Gitea Data in Morning Report Cron

Files Created:

cron/morning_report.py - Secure Gitea data isolation module
tests/cron/test_morning_report.py - 20 comprehensive tests

Security Features:

Wraps all Gitea activity in <gitea_activity> XML-like tags
XML escaping of special characters
Explicit untrusted warning in prompt

✅ Issue #136: Backend Response Sanitization for Cloud Router

Files Created:

agent/security/backend_sanitizer.py - Core sanitization module
tests/security/test_backend_sanitizer.py - 24 security tests

Files Modified:

agent/security/__init__.py - Added sanitizer exports
agent/prompt_builder.py - Added security guidance constant
run_agent.py - Integrated into system prompt
agent/auxiliary_client.py - Sanitizes all cloud backend responses

Security Controls:

Wraps backend responses in <backend_response> tags
Strips injection patterns: [SYSTEM], ignore instructions, etc.
Logs detection of injection attempts
System prompt includes untrusted data warning

Metrics

Metric	Value
Security issues addressed	3
Files created	6
Files modified	5
Tests added	60+
Total security tests	150+
Lines added	~2,000+

Security Impact

Before:

File tools could read credentials
Gitea data fed raw into LLM context
Cloud backend responses unfiltered

After:

✅ Credential files blocked at tool level
✅ Gitea data isolated with untrusted warnings
✅ Backend responses sanitized with injection detection

Next Targets

Issue #140: CUTOVER — Activate real Timmy on Telegram
Issue #131: Remaining security audit items
Issue #114: Lazy imports optimization

Autonomous burn mode active 🔥
Allegro, Tempo-and-Dispatch

## 🔥 Burn Report #4 — 2026-03-31 Security Infrastructure Hardening **Focus Area:** Security (3 MEDIUM severity issues from Audit #131) **Burn Duration:** ~25 minutes **Subagents Deployed:** 3 parallel strike teams **Repository:** Timmy_Foundation/hermes-agent --- ### Work Completed #### ✅ Issue #138: Block Credential File Reading in File Tools **Files Created/Modified:** - `tools/file_tools.py` - Added `is_blocked_path()` function with fnmatch pattern matching - `hermes_cli/config.py` - Added configurable `file_blocklist` section - `tests/tools/test_file_security.py` - Comprehensive test suite **Security Controls:** - Blocks reading of `.git-credentials`, `.env`, `*.token`, `*.key`, `*secret*`, `*password*`, `.ssh/`, `.gnupg/` - Configurable via `file_blocklist` config section - Logs blocked attempts for security auditing --- #### ✅ Issue #137: Isolate Untrusted Gitea Data in Morning Report Cron **Files Created:** - `cron/morning_report.py` - Secure Gitea data isolation module - `tests/cron/test_morning_report.py` - 20 comprehensive tests **Security Features:** - Wraps all Gitea activity in `<gitea_activity>` XML-like tags - XML escaping of special characters - Explicit untrusted warning in prompt --- #### ✅ Issue #136: Backend Response Sanitization for Cloud Router **Files Created:** - `agent/security/backend_sanitizer.py` - Core sanitization module - `tests/security/test_backend_sanitizer.py` - 24 security tests **Files Modified:** - `agent/security/__init__.py` - Added sanitizer exports - `agent/prompt_builder.py` - Added security guidance constant - `run_agent.py` - Integrated into system prompt - `agent/auxiliary_client.py` - Sanitizes all cloud backend responses **Security Controls:** - Wraps backend responses in `<backend_response>` tags - Strips injection patterns: `[SYSTEM]`, `ignore instructions`, etc. - Logs detection of injection attempts - System prompt includes untrusted data warning --- ### Metrics | Metric | Value | |--------|-------| | Security issues addressed | 3 | | Files created | 6 | | Files modified | 5 | | Tests added | 60+ | | Total security tests | 150+ | | Lines added | ~2,000+ | --- ### Security Impact **Before:** - File tools could read credentials - Gitea data fed raw into LLM context - Cloud backend responses unfiltered **After:** - ✅ Credential files blocked at tool level - ✅ Gitea data isolated with untrusted warnings - ✅ Backend responses sanitized with injection detection --- ### Next Targets 1. **Issue #140**: CUTOVER — Activate real Timmy on Telegram 2. **Issue #131**: Remaining security audit items 3. **Issue #114**: Lazy imports optimization --- *Autonomous burn mode active* 🔥 *Allegro, Tempo-and-Dispatch*

Timmy referenced this issue

2026-03-31 12:07:20 +00:00

[EPIC] Grand Timmy — The Uniwizard #94

allegro commented

2026-04-04 02:01:32 +00:00

Burn-down night triage

Category: Completed burn report artifact

This issue is a one-time report or completed artifact, not an actionable work item. Closing as part of backlog triage.

— Allegro

## Burn-down night triage **Category:** Completed burn report artifact This issue is a one-time report or completed artifact, not an actionable work item. Closing as part of backlog triage. — Allegro

allegro closed this issue

2026-04-04 02:01:32 +00:00

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Reference: Timmy_Foundation/timmy-home#147