aug 25 5:48pm: got initial contact over signal (encrypted) with arc co-founder hursh
aug 25 6:02pm: vulnerability poc executed on hursh's arc account
aug 25 6:13pm: added to slack channel after details disclosed over encrypted format
aug 26 9:41pm: vulnerability patched, bounty awarded
sep 6 7:49pm: cve assigned (CVE-2024-45489)
Four hours from out-of-the-blue initial contact until a fix pushed is pretty good, even given how simple this fix probably was.EDIT: Oh, the date changed; so it was 28 hours until fix. Still decent; and half an hour from initial contact to "Join our slack channel" is incredibly fast response time.