Oss Bucket Exploit

Q: What is a Claude Code skill and how does the Oss Bucket Exploit skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Oss Bucket Exploit is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Security · Sub-category: red-team · Last updated: 2026-05-22

cloud:aws

对象存储（S3/OSS/COS/OBS）Bucket 误配利用。当发现 AWS S3、阿里云 OSS、腾讯云 COS、华为云 OBS 等对象存储服务，或在 HTTP 响应中看到 x-amz-*、x-oss-*、x-cos-* 等 Header 时使用。覆盖 Bucket 枚举、ACL 误配检测、公开读写利用、Bucket 接管、Object 遍历、任意文件上传、Policy 策略滥用。发现任何云存储桶相关的资产或 URL（*.s3.amazonaws.com、*.oss-cn-*.aliyuncs.com、*.cos.*.myqcloud.com 等）都应使用此技能。优先使用 coscli/tccli 操作腾讯云 COS，awscli 操作 AWS S3

Security AStatic scan found no risk patternsHow grading works ›

From the source SKILL.md

对象存储是云上最常见的暴露面——Bucket 一旦配置公开读写，就等于把文件服务器直接暴露在互联网上。更危险的是 ACL 误配可以让攻击者接管整个 Bucket，进行钓鱼、供应链投毒、数据窃取。

What this skill does

Oss Bucket Exploit is a community-contributed Claude Code skill in the red-team sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/oss-bucket-exploit/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Oss Bucket Exploit Claude Code skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 158,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/oss-bucket-exploit
curl -L https://claudskills.com/skills/oss-bucket-exploit/SKILL.md \
  -o ~/.claude/skills/oss-bucket-exploit/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/oss-bucket-exploit/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/oss-bucket-exploit/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\oss-bucket-exploit\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Oss Bucket Exploit Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/oss-bucket-exploit/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Oss Bucket Exploit skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Oss Bucket Exploit skill?

Use Oss Bucket Exploit when your Claude Code task falls under the Security category — specifically in the red team area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Oss Bucket Exploit" or describe the task and let Claude pick). Browse related skills at /category/security/.

What is a Claude Code skill and how does the Oss Bucket Exploit skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Oss Bucket Exploit is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/wgpsec/AboutSecurity/blob/a7ae92e215106d4f535aac574873b557970dc516/skills/cloud/oss-bucket-exploit/SKILL.md
Author: wgpsec

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

wgpsec. (2026). Oss Bucket Exploit [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/oss-bucket-exploit/

BibTeX

@misc{oss-bucket-exploit-2026,
  author    = {wgpsec},
  title     = {Oss Bucket Exploit [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/oss-bucket-exploit/}
}

Embed this skill

Promote, attribute, or link this skill from your own README, blog post, or documentation. All three snippets are free to use — no sign-up, no API key. More distribution surfaces →

Badge

[![ClaudSkills](https://claudskills.com/badge/oss-bucket-exploit.svg)](https://claudskills.com/skills/oss-bucket-exploit/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)

Security scan

Grade A · scanned 2026-07-23 — free static scan against the OWASP Agentic Skills Top 10.

No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›

✓ Prompt injection
✓ Data exfiltration
✓ Supply chain
✓ Reverse shell
✓ Credentials
✓ Execution
✓ Filesystem
✓ Persistence
✓ Obfuscation
✓ Network

Show this grade on your repo (click to copy):

[![Security: A](https://img.shields.io/badge/Security-A-2e7d32)](https://claudskills.com/skills/oss-bucket-exploit/#security)

More Security skills

Browse all Security skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Security skills → Top 100 skills

Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills. · What's New · Install guide · About · llms.txt

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