CVE-2026-40583

HighCVSS 8.2/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 8.2/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Weakness enumeration

CWE-460 CWE-696

Affected software

No affected versions have been published.

Timeline

Published: Apr 21, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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