CVE-2026-88406 [HIGH] – FalkorDB (Redis module) v4.20.1 to v4.20.4 was discovered to contain a stack overflow in t

FalkorDB (Redis module) v4.20.1 to v4.20.4 was discovered to contain a stack overflow in the _ValidateUnion_Clauses function (/ast/ast_validations.c). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.