Summary
cupel v0.1.66 was classified as CRITICAL RISK with a risk score of 164. Sigil detected 8 findings across 53 files, covering phases including provenance, network exfiltration, install hooks. Review the findings below before installing this package.
Package description: separates precious LLMs from base LLMs. works with any OpenAI/Anthropic compatible API
v0.1.66
24 April 2026, 07:13 UTC
by Sigil Bot
Risk Score
164
Findings
8
Files Scanned
53
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
cupel-0.1.66/install.sh:6
# usage:
# curl -fsSL https://cupel.run/install | 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
cupel-0.1.66/install.sh:32
# - windows powershell installer (irm cupel.run/install.ps1 | iex)
# - version pinning: curl -fsSL https://cupel.run/install/0.2.0 | bash
# - checksum verification of the installed packageWhy 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
cupel-0.1.66/install.sh:230
echo -e " ${DIM}uninstall:${RESET} rm -rf ~/.cupel/venv ~/.cupel/bin"
echo -e " ${DIM}upgrade:${RESET} curl -fsSL https://cupel.run/install | bash"
echo ""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
cupel-0.1.66/site/index.html:296
<div class="install-tabs">
<button class="install-tab active" data-cmd="curl -fsSL https://cupel.run/install | bash">curl</button>
<button class="install-tab" data-cmd="pip install cupel">pip</button>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
cupel-0.1.66/site/index.html:300
<div class="install-code">
<code id="cmd">curl -fsSL https://cupel.run/install | bash</code>
<button class="copy-btn" id="copy-btn">copy</button>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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