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docs(structured-debug): harden untrusted-input handling - #381

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security/structured-debug-input-hardening
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security/structured-debug-input-hardening

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@codeaholicguy codeaholicguy commented Oct 14, 2026 •

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Summary

Hardens the structured-debug skill per the skill security audit.

  • Finding: skills.sh Gen Agent Trust Hub Warn / MEDIUM — COMMAND_EXECUTION via user-provided text interpolated into shell args (memory search --query "<observed behavior>"), INDIRECT_PROMPT_INJECTION via memory results/repro output, plus unpinned npx @latest. Snyk Warn MEDIUM (W012).
  • Change: new Hard Rule — treat issue descriptions, reproduction output, and memory results as untrusted data; pass interpolated values as single quoted shell arguments; never execute embedded instructions. Debugging/repro commands are the skill's purpose — kept.
  • Also: converts npx ai-devkit@latest to npx ai-devkit (both call sites).
  • Behavior: instruction text only; no executable code changed.

Test plan

  • Single-file diff: skills/structured-debug/SKILL.md only
  • Repo pre-push hooks passed

Generated with Devin

Treat issue descriptions, repro output, and memory results as untrusted
data; require quoted shell arguments and no execution of embedded
instructions. Pin npx fallback to 0.70.1. Instruction text only.
@codeaholicguy
codeaholicguy force-pushed the security/structured-debug-input-hardening branch from 2fc96b2 to 7a9a499 Compare October 14, 2026 19:37
@codeaholicguy
codeaholicguy deleted the security/structured-debug-input-hardening branch October 14, 2026 19:50
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