Summary
tm-ai v2.0.38 was classified as CRITICAL RISK with a risk score of 956. Sigil detected 70 findings across 113 files, covering phases including provenance, install hooks, network exfiltration, code patterns. Review the findings below before installing this package.
Package description: Time Machine for AI Agents — Cognitive Version Control for LLM context
v2.0.38
28 March 2026, 07:41 UTC
by Sigil Bot
Risk Score
956
Findings
70
Files Scanned
113
Provenance
Findings by Phase
Phase Ordering
Phases are ordered by criticality, with the most dangerous at the top. Click any phase header to expand or collapse its findings. Critical phases are expanded by default.
install-makefile-curl
HIGHMakefile/script pipes remote content to shell
tm_ai-2.0.38/PKG-INFO:84
# 🎧 macOS / Linux / WSL
curl -fsSL https://jaimeena.com/cvc/install.sh | bash
Why was this flagged?
A script or Makefile pipes content from a remote URL directly into a shell (curl | sh or wget | bash). This is inherently dangerous because the remote content can change at any time, and the command runs with the current user's permissions. Rated HIGH because it requires manual execution (unlike install hooks) but still executes arbitrary remote code.
install-makefile-curl
HIGHMakefile/script pipes remote content to shell
tm_ai-2.0.38/PKG-INFO:449
# 🎧 macOS / Linux / WSL
curl -fsSL https://jaimeena.com/cvc/install.sh | bash
Why was this flagged?
A script or Makefile pipes content from a remote URL directly into a shell (curl | sh or wget | bash). This is inherently dangerous because the remote content can change at any time, and the command runs with the current user's permissions. Rated HIGH because it requires manual execution (unlike install hooks) but still executes arbitrary remote code.
install-makefile-curl
HIGHMakefile/script pipes remote content to shell
tm_ai-2.0.38/README.md:28
# 🎧 macOS / Linux / WSL
curl -fsSL https://jaimeena.com/cvc/install.sh | bash
Why was this flagged?
A script or Makefile pipes content from a remote URL directly into a shell (curl | sh or wget | bash). This is inherently dangerous because the remote content can change at any time, and the command runs with the current user's permissions. Rated HIGH because it requires manual execution (unlike install hooks) but still executes arbitrary remote code.
install-makefile-curl
HIGHMakefile/script pipes remote content to shell
tm_ai-2.0.38/README.md:393
# 🎧 macOS / Linux / WSL
curl -fsSL https://jaimeena.com/cvc/install.sh | bash
Why was this flagged?
A script or Makefile pipes content from a remote URL directly into a shell (curl | sh or wget | bash). This is inherently dangerous because the remote content can change at any time, and the command runs with the current user's permissions. Rated HIGH because it requires manual execution (unlike install hooks) but still executes arbitrary remote code.
install-pip-setup-exec
CRITICALsetup.py executes code at install time
tm_ai-2.0.38/cvc/cli.py:505
# ---------------------------------------------------------------------------
# setup (guided first-time configuration)
# ---------------------------------------------------------------------------Why was this flagged?
This setup.py calls subprocess, os.system, exec, or eval during package installation. Legitimate packages rarely need to execute arbitrary commands at install time. This pattern is commonly used by malicious packages to download and run payloads, exfiltrate environment variables, or establish persistence. Rated CRITICAL because it runs with the installer's full permissions.
install-pip-setup-exec
CRITICALsetup.py executes code at install time
tm_ai-2.0.38/docs/documentation.md:339
| `cvc init --path <dir>` | Initialise in a specific directory |
| `cvc up` | **One-command start** — runs setup (if needed) + init (if needed) + starts the proxy server |
| `cvc up --host <h>` | Bind proxy to a specific host (default: `127.0.0.1`) |Why was this flagged?
This setup.py calls subprocess, os.system, exec, or eval during package installation. Legitimate packages rarely need to execute arbitrary commands at install time. This pattern is commonly used by malicious packages to download and run payloads, exfiltrate environment variables, or establish persistence. Rated CRITICAL because it runs with the installer's full permissions.
install-makefile-curl
HIGHMakefile/script pipes remote content to shell
tm_ai-2.0.38/scripts/install.sh:4
# CVC (Cognitive Version Control) — Installer for macOS, Linux & WSL
# Usage: curl -fsSL https://jaimeena.com/cvc/install.sh | bash
# =============================================================================Why was this flagged?
A script or Makefile pipes content from a remote URL directly into a shell (curl | sh or wget | bash). This is inherently dangerous because the remote content can change at any time, and the command runs with the current user's permissions. Rated HIGH because it requires manual execution (unlike install hooks) but still executes arbitrary remote code.
install-makefile-curl
HIGHMakefile/script pipes remote content to shell
tm_ai-2.0.38/scripts/install.sh:39
print_step "uv not found — installing uv (this will also manage Python for you)..."
curl -fsSL "$UV_INSTALL_URL" | sh
Why was this flagged?
A script or Makefile pipes content from a remote URL directly into a shell (curl | sh or wget | bash). This is inherently dangerous because the remote content can change at any time, and the command runs with the current user's permissions. Rated HIGH because it requires manual execution (unlike install hooks) but still executes arbitrary remote code.
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