CVE-2026-59952 Valibot: record() issue paths can make flatten() throw for inherited Object property names

Valibot helps validate data using a schema. Versions prior to 1.4.2 can throw a TypeError inside its flatten helper when validation issues contain attacker-controlled object keys such as toString, valueOf, or hasOwnProperty. The issue is reachable through normal record validation. record...

CVE-2026-59952 Valibot: record() issue paths can make flatten() throw for inherited Object property names

Valibot helps validate data using a schema. Versions prior to 1.4.2 can throw a TypeError inside its flatten helper when validation issues contain attacker-controlled object keys such as toString, valueOf, or hasOwnProperty. The issue is reachable through normal record validation. record...