Caveat verdict

feishu-voice-sender-tts

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

Explicitly states it does not auto-run and uses ffmpeg only for audio format conversion; all capabilities match the on-demand Feishu voice messaging purpose.

⚠ Flagged for review — coarse, uncorroborated signal, not a confirmed exploit. Review the config yourself before installing.

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.

30
security
40
transparency
70
maintenance

Permission integrity

Installs packages at runtime — transitive dependencies are not auditable

package_install

Findings (6)

Pattern match critical

Possible hardcoded credential

SKILL.md · code · SECRET="your-feishu-app-secret

Pattern match medium

References sudo — requests elevated privileges

SKILL.md · prose · downgraded · sudo

Pattern match medium

apt-get install — installs system packages

SKILL.md · prose · downgraded · apt-get install

Pattern match medium

subprocess execution — runs system commands from Python

src/feishu_voice.py · prose · downgraded · subprocess.run(

Pattern match low

Python os.getenv — reads environment variable

src/feishu_voice.py · prose · downgraded · os.getenv(

Pattern match low

Popular HTTP library — network access

src/feishu_voice.py · prose · downgraded · Got

Why the tier is capped

Execution sink present in raw bytes (Hard Floor: class D). Final tier capped at Caution — cannot be lifted by any downgrade, example-payload opt-in, or allowlist.

Permissions & capabilities

Requires 4 environment variables. (1 sensitive: FEISHU_APP_SECRET). Requires 1 system binary.

package_install

Is this flag fair?

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