CVE-2026-4931

Description

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

Affected Platforms

Weakness Type

CWE-681

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-cri…
• https://scs.owasp.org/SCWE/SCSVS-CODE/SCWE-041/