Prometheus has Stored XSS via metric names and label values in Prometheus web UI in github.com/prometheus/prometheus
{ "review_status": "REVIEWED", "url": "https://pkg.go.dev/vuln/GO-2026-5662" }
{ "custom_ranges": [ { "type": "ECOSYSTEM", "events": [ { "introduced": "3.0.0" }, { "fixed": "3.5.2" }, { "introduced": "3.6.0" }, { "fixed": "3.11.2" } ] } ] }
"https://vuln.go.dev/ID/GO-2026-5662.json"