CVE-2026-4931
high
CVSS v3
8.6
CVSS v4 NEW
—
VIR risk
8.6
Description
Smart contract Marginal v1 performs unsafe downcast, allowing attackers to settle a large debt position for a negligible asset cost.
Predictions
Exploit likelihood
91%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| marginal | v1-core | {"endIncluding":"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/
CWEs
CWE-681
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.