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K8s Ingress Nightmare

Category: Engineering  ·  Sub-category: devops  ·  Last updated:
tool:k8s
IngressNightmare (CVE-2025-1974) — Kubernetes Ingress-NGINX Admission Controller 未授权 RCE。当目标 K8s 集群使用 ingress-nginx、发现 443/8443 端口的 admission webhook、或通过 Pod 网络可达 admission controller 时使用。涵盖漏洞原理、利用条件判断、PoC 使用、后续横向移动。

From the source SKILL.md

Ingress-NGINX Admission Controller 未授权 RCE 漏洞链(CVSSv3 9.8),无需任何 K8s 凭据即可从 Pod 网络远程执行任意代码。

What this skill does

K8s Ingress Nightmare is a community-contributed Claude Code skill in the devops sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/k8s-ingress-nightmare/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The K8s Ingress Nightmare Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 69,000+ 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/k8s-ingress-nightmare
curl -L https://claudskills.com/skills/k8s-ingress-nightmare/SKILL.md \
  -o ~/.claude/skills/k8s-ingress-nightmare/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/k8s-ingress-nightmare/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/k8s-ingress-nightmare/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\k8s-ingress-nightmare\SKILL.md on Windows. See the full install guide for step-by-step instructions.

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.

Attribution & license

More Engineering skills

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

Browse all Engineering 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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