High severity8.2NVD Advisory· Published Apr 21, 2026· Updated Jun 17, 2026
CVE-2026-40583
CVE-2026-40583
Description
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.
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Affected products
2- Range: <0.1
Patches
Vulnerability mechanics
References
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