canary
Fail
Audited by Gen Agent Trust Hub on Oct 26, 2026
Risk Level: HIGHREMOTE_CODE_EXECUTIONINDIRECT_PROMPT_INJECTIONCOMMAND_EXECUTIONDATA_EXFILTRATION
Full Analysis
- [REMOTE_CODE_EXECUTION]: The setup section downloads an installation script from the well-known service
https://bun.sh/installand executes it via bash. - Evidence: The skill includes logic to download the script to a temporary file, verify its integrity using a hardcoded SHA256 checksum (
bab8acfb046aac8c72407bdcce903957665d655d7acaa3e11c7c4616beae68dd), and then execute it if the checksum matches. - [INDIRECT_PROMPT_INJECTION]: The skill ingests untrusted data from external websites during its monitoring and discovery phases, creating a surface for indirect prompt injection.
- Ingestion points: Data enters the agent context from external URLs via the
browsetool (using$B goto,$B links,$B text, etc.) inSKILL.mdPhases 2, 3, 4, and 5. - Boundary markers: No specific delimiters or "ignore embedded instructions" warnings are applied to the external content retrieved by the browse tool.
- Capability inventory: The skill utilizes
Bash,Write, andReadtools, performing file system operations and executing multiple local scripts. - Sanitization: There is no evidence of sanitization, filtering, or escaping of the web content before it is processed by the agent.
- [COMMAND_EXECUTION]: The skill preamble and various phases execute several local binaries and scripts provided by the vendor to manage state, configuration, and telemetry.
- Evidence: Commands such as
gstack-config,gstack-update-check,gstack-slug,gstack-learnings-search, andgstack-timeline-logare called extensively throughoutSKILL.md. - [DATA_EXFILTRATION]: The skill contains logic for telemetry and artifact synchronization which involves sending data to external endpoints.
- Evidence: Telemetry data is recorded locally and optionally sent to a remote server via
gstack-telemetry-log. Additionally, theArtifacts Syncsection describes publishing artifacts to a GitHub repository. Both features are designed to be user-prompted before activation.
Recommendations
- HIGH: Downloads and executes remote code from: https://bun.sh/install - DO NOT USE without thorough review
Audit Metadata