CVE-2026-4931: Marginal v1-Core

High severity, CVSS 8.6. EPSS: 0.5% chance of exploitation in the next 30 days.

Smart contract Marginal v1 performs unsafe downcast, allowing attackers to settle a large debt position for a negligible asset cost.

Affected products

• Marginal v1-Core: up to and including 1.0.2

Published 2026-04-07. Last modified 2026-06-17.