CVE-2026-4931
CVE-2026-4931
HIGH
8.6
CVSS Score
Published: April 7, 2026 at 03:22 PM UTC
Updated: October 26, 2026 at 09:10 PM UTC
2 products affected across 1 vendorV1-COREMarginal Smart Contract
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Severity
HIGH8.6
Exploit prediction
EPSS 0.3%
SSVC
PoC
Description
Smart contract Marginal v1 performs unsafe downcast, allowing attackers to settle a large debt position for a negligible asset cost.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 1.0.2
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (5)
Not Applicable
Source: cverecord
https://cvefeed.io/cwe/detail/cwe-681-incorrect-conversion-between-numeric-typesMitigationPress/Media CoverageThird Party Advisory
Source: cverecord
https://medium.com/@clarkcorrin/cve-2026-4931-how-spearbits-cantina-denied-a-critical-vulnerability-using-verifiably-false-0a27b92ac2dbSSVC — Action Prioritization
SSVCPoCNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusANALYZED
CWE
CWE-681
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