CVE-2026-48050

A flaw was found in Arc. This vulnerability allows a remote unauthenticated attacker to access Go debug pprof endpoints due to improper authentication bypass. Successful exploitation can lead to the disclosure of sensitive runtime state information and enable a CPU-burn Denial of Service DoS...

CVE-2026-48050 Arc: Unauthenticated access to Go debug pprof endpoints leaks runtime state and enables CPU-burn DoS

Arc is an open, SQL-native time-series database for telemetry. Versions prior to 26.06.1 register Go's net/http/pprof handlers at /debug/pprof/ via app.Usepprof.New in internal/api/server.go, and /debug/pprof is added to PublicPrefixes in cmd/arc/main.go. The auth middleware short-circuits before...