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# Security & Compliance Report

**Session ID**: `phase16-session02-backend-endpoint-parity-write-safety` **Reviewed**: 2026-06-02 **Result**: PASS

***

## Scope

**Files reviewed** (session deliverables only):

* `scripts/lib/hermes-dev-bridge.ts` - read endpoint registration, bounded readers, token-gated profile access, and document confinement helpers
* `scripts/lib/hermes-admin-bridge.ts` - write-path confinement, bounded body handling, command execution safety, and admin endpoint registration
* `scripts/lib/__tests__/hermes-dev-bridge.test.ts` - read-path coverage for registration, token gating, and refusal behavior
* `scripts/lib/__tests__/hermes-admin-bridge.test.ts` - write-path safety coverage for preflight, traversal refusal, confirmation gates, and argv safety
* `.spec_system/specs/phase16-session02-backend-endpoint-parity-write-safety/implementation-notes.md` - session evidence and validation log

**Review method**: Static analysis of session deliverables plus focused test, typecheck, and repository integrity verification

***

## Security Assessment

### Overall: PASS

| Category                      | Status | Severity | Details                                                                                                                                  |
| ----------------------------- | ------ | -------- | ---------------------------------------------------------------------------------------------------------------------------------------- |
| Injection (SQLi, CMDi, LDAPi) | PASS   | --       | No shell-string execution or unsanitized query construction was introduced. Command execution uses argv arrays and confined inputs only. |
| Hardcoded Secrets             | PASS   | --       | No credentials, API keys, or tokens were added to the reviewed files.                                                                    |
| Sensitive Data Exposure       | PASS   | --       | Read endpoints avoid raw secret values, and write errors/logs are sanitized to omit private prompt bodies and unsafe path details.       |
| Insecure Dependencies         | PASS   | --       | No dependency changes were introduced in this session.                                                                                   |
| Security Misconfiguration     | PASS   | --       | The bridge code preserves loopback, token, admin, and no-store response boundaries for protected operations.                             |

### Findings

No security findings.

***

## GDPR Compliance Assessment

### Overall: N/A

This session does not add user-facing personal-data collection, storage, transfer, or deletion flows. The reviewed changes work on local bridge endpoints, bounded metadata reads, and write-safety controls.

***

## Behavioral Quality Spot-Check

### Overall: PASS

* Trust boundary enforcement is explicit: sensitive reads require token checks and file writes are confined before use.
* Resource cleanup is handled: command execution includes timeout cleanup and process termination escalation.
* Mutation safety is acceptable: destructive operations require confirmation and use bounded, validated inputs.
* Failure paths are explicit: invalid bodies, traversal attempts, and denied access return stable errors instead of leaking internals.
* Contract alignment is maintained: the new endpoints and tests match the session spec and preserve existing bridge behavior.

***

## Verification

* `bun run test -- scripts/lib/__tests__/hermes-dev-bridge.test.ts scripts/lib/__tests__/hermes-admin-bridge.test.ts`
* `bun run typecheck:scripts`
* `git diff --check`
* ASCII and LF checks on the reviewed deliverables


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