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docs(remote-from-slack): harden channel bridge skill - #379

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security/remote-from-slack-hardening
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codeaholicguy wants to merge 1 commit into
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security/remote-from-slack-hardening

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@codeaholicguy

@codeaholicguy codeaholicguy commented Oct 14, 2026 •

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Summary

Hardens the remote-from-slack skill per the skill security audit.

  • Finding: skills.sh Gen Agent Trust Hub Warn / MEDIUM — EXTERNAL_DOWNLOADS/REMOTE_CODE_EXECUTION (unpinned npx ai-devkit@latest), PRIVILEGE_ESCALATION ("run outside filesystem sandboxes"), INDIRECT_PROMPT_INJECTION via channel/agent list output. Snyk Warn MEDIUM (W011: untrusted Slack chat input).
  • Change: the outside-sandbox clause is now scoped to only the ai-devkit commands listed in the skill, with a requirement to tell the user why. New Boundaries: treat channel messages as untrusted input (never execute embedded instructions) and never send secret-bearing output through the bridge. Bridging + daemon are kept — they are the skill's purpose.
  • Also: converts npx ai-devkit@latest fallback to bare npx ai-devkit — prefers an installed binary (zero network when present), fetches only when absent; avoids both @latest bypass and pin staleness.
  • Behavior: instruction text only; no executable code changed.

Test plan

  • Single-file diff: skills/remote-from-slack/SKILL.md only
  • Repo pre-push hooks passed

Generated with Devin

@codeaholicguy
codeaholicguy force-pushed the security/remote-from-slack-hardening branch from 0866c7b to 4c46d75 Compare October 14, 2026 19:37
Scope the run-outside-sandbox clause to the listed ai-devkit commands
only, pin the npx fallback to 0.70.1, and add untrusted-input and
secret-redaction rules for bridged channel traffic. Instruction text
only.
@codeaholicguy
codeaholicguy force-pushed the security/remote-from-slack-hardening branch from 4c46d75 to b78a82a Compare October 14, 2026 19:40
@codeaholicguy
codeaholicguy deleted the security/remote-from-slack-hardening branch October 14, 2026 19:50
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