ANT-2026-REDYDMAE · supabase/supabase · xss

xss medium Severity Claude medium · Security research firm - · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-REDYDMAE: DOM-based XSS via javascript: scheme in URL hostname check The isVercelUrl helper checks only that ne...