Vulnerability in Marginal Smart Contract
CVE-2026-4931
Smart contract Marginal v1 performs unsafe downcast, allowing attackers to settle a large debt position for a negligible asset cost.
EPSS: 0.000 (15.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N.
Affected products
- Marginal Smart Contract — versions 1
- Marginal V1-core
Weakness classification (CWE)
References
- cret@cert.org (Not Applicable)
- cret@cert.org (Not Applicable)
- cret@cert.org (Product)
- cret@cert.org (Product)
- cret@cert.org (Third Party Advisory, Mitigation, Press/Media Coverage)
Frequently asked questions
- What is CVE-2026-4931?
- CVE-2026-4931 is a high-severity vulnerability in Marginal Smart Contract, classified under Incorrect Conversion between Numeric Types. CVSS score: 8.6/10. Published 2026-04-07.
- How severe is CVE-2026-4931?
- High severity. CVSS v3 base score is 8.6 out of 10.