What is cve-hover?
cve-hover is a Claude Code mod by mlab-sh that highlight CVE IDs in Claude's replies; hover one to see vuln.mlab.sh data. It is listed under Interface and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | mlab-sh |
| Repository | mlab-sh/mlab-claude-mod |
| Popularity | no public popularity data yet |
| Category | Interface |
| Security | Low risk (84/100) |
| Rank | #4,010 of 5,272 Claude Code mods; #1,662 in Interface |
| Last commit | 2026-10-03 |
| Hooks | 1 events |
| Sees | only the events it hooks |
| Draws on | AssistantMessage |
Is cve-hover safe to install?
cve-hover scores 84/100 on the MCPMods security check: Low risk. Things to review: sends data over the network. It passed 6 of 8 checks.
Mod footprints come from claude plugin validate, which lists every event a mod hooks and every API call it makes without running it.
| Check | Result |
|---|---|
| Sends data over the network | Review |
| Starts no processes | Pass |
| Writes no files or config | Pass |
| Doesn't read environment variables | Pass |
| Only sees the events it hooks | Pass |
| Doesn't drive Claude | Pass |
| Passes claude plugin validate | Pass |
| No license detected | Note |
API calls in its code
| Call | What it means |
|---|---|
$.http.fetch | network requests |
$.state.get | |
$.state.set | |
$.ui.resolve | draws interface |
How do I install cve-hover?
- Check your Claude Code version. Mods need Claude Code 2.1.287 or later and are on by default.
claude --version
- Read its footprint. This lists every event it hooks and every API call it makes, without running it.
git clone https://github.com/mlab-sh/mlab-claude-mod claude plugin validate ./mlab-claude-mod/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
git clone https://github.com/mlab-sh/mlab-claude-mod && claude --plugin-dir ./mlab-claude-mod/.
Or ask Claude to set it up
Paste this into Claude Code and it installs cve-hover for you:
Install the "cve-hover" Claude Code mod from https://github.com/mlab-sh/mlab-claude-mod. Run claude plugin validate on it first and show me what it can access before you enable it.