What’s Vulnerable › Vulnerabilities

CVE-2026-4931: CVE-2026-4931

• Severity: high (CVSS 8.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-07 · updated 2026-10-26
• Weakness: CWE-681

Description

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

Affected products

• Marginal V1-Core: through 1.0.2

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/

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