CVE-2026-4931

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

CVSS v3 8.6 HIGH

8.6^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://cvefeed.io/cwe/detail/cwe-681-incorrect-conversion-between-numeric-types	Not Applicable
https://github.com/MarginalProtocol	Product
https://marginal.gitbook.io/docs	Product
https://medium.com/@clarkcorrin/cve-2026-4931-how-spearbits-cantina-denied-a-critical-vulnerability-using-verifiably-false-0a27b92ac2db	Mitigation Press/Media Coverage Third Party Advisory
https://scs.owasp.org/SCWE/SCSVS-CODE/SCWE-041/	Not Applicable

Configurations

Configuration 1 (hide)

cpe:2.3:a:marginal:v1-core:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-04-07 16:16

Updated : 2026-06-17 10:57

NVD link : CVE-2026-4931

Mitre link : CVE-2026-4931

CVE.ORG link : CVE-2026-4931

JSON object : View

Products Affected

marginal

v1-core

CWE

CWE-681

Incorrect Conversion between Numeric Types

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