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CVE-2026-40583

UltraDAG: SmartOp Vote Path Triggers Fatal Supply Invariant Halt

UltraDAG is a minimal DAG-BFT blockchain in Rust. In version 0.1, a non-council attacker can submit a signed SmartOp::Vote transaction that passes signature, nonce, and balance prechecks, but fails authorization only after state mutation has already occurred.

CVSS 4.0 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Ultradag Ultradagcom
Products
Ultradag Core