CVE-2026-4931

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Summary

CVECVE-2026-4931
StatePUBLISHED
Assignercertcc
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-07 16:16:30 UTC
Updated2026-04-08 21:27:00 UTC
DescriptionSmart contract Marginal v1 performs unsafe downcast, allowing attackers to settle a large debt position for a negligible asset cost.

Risk And Classification

Primary CVSS: v3.1 6.8 MEDIUM from ADP

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N

EPSS: 0.000410000 probability, percentile 0.123710000 (date 2026-04-13)

Problem Types: CWE-681 | CWE-681 Incorrect Conversion between Numeric Types | CWE-681 CWE-681 Incorrect Conversion between Numeric Types

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED6.8MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary6.8MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Marginal Marginal Smart Contract affected 1 Not specified

References

ReferenceSourceLinkTags
scs.owasp.org/SCWE/SCSVS-CODE/SCWE-041 [email protected] scs.owasp.org
marginal.gitbook.io/docs [email protected] marginal.gitbook.io
cvefeed.io/cwe/detail/cwe-681-incorrect-conversion-between-numeric-types [email protected] cvefeed.io
github.com/MarginalProtocol [email protected] github.com
medium.com/@clarkcorrin/cve-2026-4931-how-spearbits-cantina-denied-a-cri... [email protected] medium.com
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