CVE-2026-4931

EUVD-2026-19742
Smart contract Marginal v1 performs unsafe downcast, allowing attackers to settle a large debt position for a negligible asset cost.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
UNKNOWN
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
References
https://cvefeed.io/cwe/detail/cwe-681-incorrect-conversion-between-numeric-types
https://github.com/MarginalProtocol
https://marginal.gitbook.io/docs
https://medium.com/@clarkcorrin/cve-2026-4931-how-spearbits-cantina-denied-a-critical-vulnerability-using-verifiably-false-0a27b92ac2db
https://scs.owasp.org/SCWE/SCSVS-CODE/SCWE-041/