container-cve-validator

A checker that determines whether a CVE affects a Red Hat container image. A CVE is a public identifier for a known software security flaw; SBOMs list software inside an image, and VEX data records whether a flaw actually affects it.

In plain words
What is it for?
Use it to validate container CVEs using Red Hat’s software-bill-of-materials attestations, Red Hat VEX data, and MITRE or OSV.dev metadata.
Why use it?
It helps distinguish a real image vulnerability from a reported CVE that does not apply to the image.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/rhecosystemappeng/agentic-plugins/container-cve-validator
Any agent
npx skills add RHEcosystemAppEng/agentic-plugins --skill container-cve-validator
Clone the repo
git clone --depth 1 https://github.com/RHEcosystemAppEng/agentic-plugins

Made for: Claude Code, Codex.

Per session 40 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,585 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. Scan, not verified.
Origin unknown No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00040 $0.04585
Opus 5 $0.00020 $0.02292
Sonnet 5 $0.00008 $0.00917
Haiku 4.5 $0.00004 $0.00458

Measured 3d ago against content hash 96d22f29c506, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

container-cve-validator scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 3d ago.

The scan reads SKILL.md. This mod also ships 9 executable files (scripts/download_sbom.py, scripts/fetch_coreos_metadata.py, scripts/fetch_cve_metadata.py, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

- If `input_type` is `"rhsa"`: the user provided an RHSA advisory ID. Resolve it to individual CVEs using (**do NOT use WebFetch or curl to access access.redhat.com**):
ocp-admin/skills/container-cve-validator/SKILL.md · 308 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 3d ago First seen · 308 lines · 40 tokens per session scan A 96d22f29c506

Subscribe to this mod's changes

container-cve-validator is a skill published in the GitHub repository RHEcosystemAppEng/agentic-plugins (50 stars, last pushed 9d ago), with no licence file. It adds 40 tokens to every session and 4,585 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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