Caveat verdict

vagrant

vagrant-skill

88
🟢 Trusted
No high-risk patterns surfaced by the deep scan — automated capability review, not behavioral proof.

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.

0
security
50
transparency
80
maintenance

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.

Capability combination critical

Accesses system credential store AND makes external network calls

LLM02 · ASI03

Permission integrity

Makes network requests but does not declare curl/wget in required binaries

network_out

Performs file operations but does not declare file-accessing binaries

file_read+write

Installs packages at runtime — transitive dependencies are not auditable

package_install

Findings (12)

Pattern match critical

Pipe-to-shell pattern (curl | sh) — supply chain attack vector

SKILL.md · code · curl -fsSL https://deb.nodesource.com/setup_22.x | bash

Pattern match critical

Pipe to bash — executes piped content as shell commands

SKILL.md · code · | bash

Pattern match high

References sudo — requests elevated privileges

SKILL.md · frontmatter · sudo

Pattern match high

apt-get install — installs system packages

SKILL.md · code · apt-get install

Pattern match high

HTTP request to bare IP address — common in malicious payloads

docs/microvm-sandbox-vs-nanofuse.md · code · http://127.0.0.1

Pattern match high

Uses eval() — can execute arbitrary code

docs/microvm-sandbox-vs-nanofuse.md · prose · downgraded · eval (

Pattern match high

Downloads executables from external URLs

README.md · code · Download from https://

Pattern match high

Recursive delete from root or home — destructive command

scripts/setup.sh · prose · downgraded · rm -rf /

Pattern match medium

References agent configuration files

README.md · code · CLAUDE.md

Pattern match low

Python urllib.request — network access

examples/mac-docker-compose/scripts/provision.sh · prose · downgraded · urllib.request

Pattern match low

Sets world-executable permissions

examples/windows-systemd-service/scripts/provision.sh · prose · downgraded · chmod 755

Pattern match low

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
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