Summary
openaca v0.1.0b6 was classified as CRITICAL RISK with a risk score of 226.4. Sigil detected 28 findings across 380 files, covering phases including network exfiltration, provenance, install hooks, code patterns. Review the findings below before installing this package.
Package description: OpenACA: Agent Composition Analysis — overlays and scanner for AI agent security.
v0.1.0b6
8 June 2026, 01:16 UTC
by Sigil Bot
Risk Score
226.4
Findings
28
Files Scanned
380
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
LOWMakefile/script pipes remote content to shell
openaca-0.1.0b6/CONTRIBUTING.md:28
```bash
curl -LsSf https://astral.sh/uv/install.sh | sh # or: brew install uv
```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
LOWMakefile/script pipes remote content to shell
openaca-0.1.0b6/README.md:117
```bash
curl -fsSL https://raw.githubusercontent.com/open-agent-security/openaca/main/scripts/install.sh | 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.
install-makefile-curl
HIGHMakefile/script pipes remote content to shell
openaca-0.1.0b6/deploy/fleet/intune-macos.sh:32
if [ ! -x "$UV_BIN" ]; then
run_as_user sh -c 'curl -LsSf https://astral.sh/uv/install.sh | sh'
elseWhy was this flagged?
A script or Makefile pipes content from a remote URL directly into a shell (curl | sh or wget | bash). This is inherently dangerous because the remote content can change at any time, and the command runs with the current user's permissions. Rated HIGH because it requires manual execution (unlike install hooks) but still executes arbitrary remote code.
install-makefile-curl
HIGHMakefile/script pipes remote content to shell
openaca-0.1.0b6/deploy/fleet/jamf.sh:42
if [ ! -x "$UV_BIN" ]; then
run_as_user sh -c 'curl -LsSf https://astral.sh/uv/install.sh | sh'
elseWhy 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
openaca-0.1.0b6/deploy/fleet/kandji.sh:32
if [ ! -x "$UV_BIN" ]; then
run_as_user sh -c 'curl -LsSf https://astral.sh/uv/install.sh | sh'
elseWhy 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
LOWMakefile/script pipes remote content to shell
openaca-0.1.0b6/docs/adrs/0025-curl-pipe-sh-install-via-uv.md:115
- (+) Install friction reduced from ~5 mental hops to 1
(`curl ... | sh`).
- (+) Try-before-install path via `uvx` — scan without committing toWhy 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
LOWMakefile/script pipes remote content to shell
openaca-0.1.0b6/docs/adrs/0026-direct-uvx-for-one-shot-scans.md:41
```bash
curl -fsSL https://raw.githubusercontent.com/open-agent-security/openaca/main/scripts/install.sh | sh
openaca scan endpointWhy 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
LOWMakefile/script pipes remote content to shell
openaca-0.1.0b6/docs/plans/001-schema-and-tooling.md:49
**Prerequisite:** `uv` installed. Install with `curl -LsSf https://astral.sh/uv/install.sh | sh` if needed; on macOS `brew install uv` also works.
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
LOWMakefile/script pipes remote content to shell
openaca-0.1.0b6/docs/plans/006-disclosure-policy.md:238
```bash
curl -LsSf https://astral.sh/uv/install.sh | sh # or: brew install uv
```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
openaca-0.1.0b6/scripts/install.sh:5
# Public entry point:
# curl -fsSL https://openaca.dev/install.sh | 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.
install-makefile-curl
HIGHMakefile/script pipes remote content to shell
openaca-0.1.0b6/scripts/install.sh:41
echo "→ Installing uv (Python package manager from Astral)..."
curl -LsSf "$UV_INSTALL_URL" | sh
# Make uv available in this shell session. The uv installer alsoWhy 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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