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Locate Jackson Deserialization Entry Points in Druid

100 / 100 · Low risk

Fine to try.

By cxcscmu/SkillLearnBench (GitHub) · coding · 93 stars · scanned at commit 726e1f7

Find the exact code locations where user-supplied JSON is deserialized into DimFilter and other security-sensitive objects in Apache Druid's indexing pipeline, to identify where raw input validation must occur before Jackson processes it.

Works with any agent that supports SKILL.md skills.

What this skill can do

We found nothing in the files we read that matches our rules. That does not prove the skill is safe: see the limits of static scanning.

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'locate-jackson-deserialization-entry-points-in-druid' ] || [ -L ~/.agents/skills/'locate-jackson-deserialization-entry-points-in-druid' ]; then echo 'A skill folder named locate-jackson-deserialization-entry-points-in-druid already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/cxcscmu/SkillLearnBench' "$d" && git -C "$d" checkout --quiet '726e1f79b96b0cb3d729d0e55a1c847e0b5353ae' -- 'skills/b3-teacher-feedback-claude-haiku-4-5/fix-security-bug/run3_Locate-Jackson-Deserialization-Entry-Points-in-Druid' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/b3-teacher-feedback-claude-haiku-4-5/fix-security-bug/run3_Locate-Jackson-Deserialization-Entry-Points-in-Druid' ~/.agents/skills/'locate-jackson-deserialization-entry-points-in-druid' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'locate-jackson-deserialization-entry-points-in-druid' ~/.claude/skills/'locate-jackson-deserialization-entry-points-in-druid' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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