Mattermost doesn't limit the size of the request body on the start meeting API endpoint in github.com/mattermost/mattermost-plugin-msteams-meetings
{ "review_status": "UNREVIEWED", "url": "https://pkg.go.dev/vuln/GO-2026-5489" }
"https://vuln.go.dev/ID/GO-2026-5489.json"