CVE catalog
CVE-2026-4931
Smart contract Marginal v1 performs unsafe downcast, allowing attackers to settle a large debt position for a negligible asset cost.
- Severity
- High · CVSS 8.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.26% · Oct 25, 2026
Smart contract Marginal v1 performs unsafe downcast, allowing attackers to settle a large debt position for a negligible asset cost.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | v1-core | Not reported | Not reported | unknown |
| Cpe | v1-core | Not reported | Not reported | unknown |
Fixed-version evidence
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
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://nvd.nist.gov/vuln/detail/CVE-2026-4931]
- [https://scs.owasp.org/SCWE/SCSVS-CODE/SCWE-041/]