Security Advisory

CVE-2026-40583

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-04-21 16:57:42

Last updated 2026-04-21 20:37:16

Assigner GitHub_M

State PUBLISHED

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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