Caveat verdict
vagrant
vagrant-skill
Accesses system credential store AND makes external network calls
Creates disposable Vagrant VMs for sandboxed development and testing with explicit goal of keeping host unmodified; legitimate infrastructure tooling with clear stated purpose.
Automated static analysis — not a human review. Caveat flags capabilities, not confirmed intent, and can produce false positives. Disagree with this verdict? Use Dispute below.
What it does
These are capability combinations: each listed behavior occurs in the skill, but Caveat detects co-occurrence — it does not verify that one flows into another. Read the code to confirm a live chain.
Accesses system credential store AND makes external network calls
LLM02 · ASI03
Permission integrity
network_out
file_read+write
package_install
Findings (12)
Pipe-to-shell pattern (curl | sh) — supply chain attack vector
SKILL.md · code · curl -fsSL https://deb.nodesource.com/setup_22.x | bash
Pipe to bash — executes piped content as shell commands
SKILL.md · code · | bash
References sudo — requests elevated privileges
SKILL.md · frontmatter · sudo
apt-get install — installs system packages
SKILL.md · code · apt-get install
HTTP request to bare IP address — common in malicious payloads
docs/microvm-sandbox-vs-nanofuse.md · code · http://127.0.0.1
Uses eval() — can execute arbitrary code
docs/microvm-sandbox-vs-nanofuse.md · prose · downgraded · eval (
Downloads executables from external URLs
README.md · code · Download from https://
Recursive delete from root or home — destructive command
scripts/setup.sh · prose · downgraded · rm -rf /
References agent configuration files
README.md · code · CLAUDE.md
Python urllib.request — network access
examples/mac-docker-compose/scripts/provision.sh · prose · downgraded · urllib.request
Sets world-executable permissions
examples/windows-systemd-service/scripts/provision.sh · prose · downgraded · chmod 755
Changes file ownership
examples/windows-systemd-service/scripts/provision.sh · prose · downgraded · chown
Why the tier is capped
Execution sink present in raw bytes (Hard Floor: class A). Final tier capped at Caution — cannot be lifted by any downgrade, example-payload opt-in, or allowlist.
Permissions & capabilities
Requires 1 system binary.
network_outcredential_storepackage_installfile_write Thanks — recorded.