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High 8.6Published Apr 7, 2026
CVE-2026-4931Smart contract Marginal v1 performs unsafe downcast, allowing attackers to settle a large debt position for a negligible asset cost.
Updated under an hour ago ()
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It affects marginal v1-core. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Smart contract Marginal v1 performs unsafe downcast, allowing attackers to settle a large debt position for a negligible asset cost.
- CVSS
- 8.6 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
- Weakness (CWE)
- CWE-681
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
marginal v1-core marginal:v1-core | through 1.0.2 | NVD |
References
- https://cvefeed.io/cwe/detail/cwe-681-incorrect-conversion-between-numeric-typesnot-applicable
- https://github.com/MarginalProtocolproduct
- https://marginal.gitbook.io/docsproduct
- https://medium.com/@clarkcorrin/cve-2026-4931-how-spearbits-cantina-denied-a-critical-vulnerability-using-verifiably-false-0a27b92ac2dbmitigation, press/media-coverage, third-party-advisory
- https://scs.owasp.org/SCWE/SCSVS-CODE/SCWE-041/not-applicable
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.