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CVE-2026-40583

Published: Apr 21, 2026

Modified: Apr 21, 2026

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.

Vendor	Product	Versions
UltraDAGcom	core	affected `= 0.1`

Weaknesses (CWE)

References

https://github.com/UltraDAGcom/core/security/advisories/GHSA-q8wx-2crx-c7pp

x_refsource_CONFIRM

https://github.com/UltraDAGcom/core/commit/2f5a3a237ea519b48d71e6e3093c89f60694c7be

x_refsource_MISC

https://github.com/UltraDAGcom/core/commit/45bcf7064741897319b6196d3d9f9e1307093511

x_refsource_MISC

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