A regular expression denial of service (ReDoS) vulnerability exits in cbioportal 3.6.21 and older via a POST request to /ProteinArraySignificanceTest.json.
{ "versions": [ { "introduced": "0" }, { "last_affected": "3.6.21" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-38244.json"