This val.town HTTP endpoint reads the JSON from CISA's Known Exploited Vulnerabilities Catalog and converts it to an RSS feed.
https://hrbrmstr-cisakevtorss.web.val.run
https://esm.town/v/hrbrmstr/cisaKEVToRSS
<script type="module" src="https://esm.town/v/hrbrmstr/cisaKEVToRSS" />