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exploiting-broken-function-level-authorization

95 / 100 · Low risk

Fine to try. Some of what it can do is expected: a security skill usually runs scanners and checks websites.

By mukul975/Anthropic-Cybersecurity-Skills (GitHub) · security · 35,906 stars · scanned at commit 54a7988

Tests APIs for Broken Function Level Authorization (OWASP API5:2023) by identifying admin and privileged endpoints, then reaching them with regular-user credentials via HTTP method switching, URL path manipulation, and parameter tampering. Use when testing whether low-privilege users can invoke admin API functions or otherwise escalate privileges via function-level access control gaps.

Works with any agent that supports SKILL.md skills.

What this skill can do

Install

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

if [ -e ~/.agents/skills/'exploiting-broken-function-level-authorization' ] || [ -L ~/.agents/skills/'exploiting-broken-function-level-authorization' ]; then echo 'A skill folder named exploiting-broken-function-level-authorization already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/mukul975/Anthropic-Cybersecurity-Skills' "$d" && git -C "$d" checkout --quiet '54a798831d2266a3ca61ce68a7acb80b81160d57' -- 'skills/exploiting-broken-function-level-authorization' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/exploiting-broken-function-level-authorization' ~/.agents/skills/'exploiting-broken-function-level-authorization' && 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/'exploiting-broken-function-level-authorization' ~/.claude/skills/'exploiting-broken-function-level-authorization' (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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