{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-4931", "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "state": "PUBLISHED", "assignerShortName": "certcc", "dateReserved": "2026-03-26T19:31:49.120Z", "datePublished": "2026-04-07T15:22:36.700Z", "dateUpdated": "2026-04-07T15:22:36.700Z"}, "containers": {"cna": {"title": "CVE-2026-4931", "descriptions": [{"lang": "en", "value": "Smart contract Marginal v1 performs unsafe downcast, allowing attackers to settle a large debt position for a negligible asset cost."}], "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "Marginal", "product": "Marginal Smart Contract", "versions": [{"status": "affected", "version": "1"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-681 Incorrect Conversion between Numeric Types"}]}], "references": [{"url": "https://cvefeed.io/cwe/detail/cwe-681-incorrect-conversion-between-numeric-types"}, {"url": "https://scs.owasp.org/SCWE/SCSVS-CODE/SCWE-041/"}, {"url": "https://marginal.gitbook.io/docs"}, {"url": "https://github.com/MarginalProtocol"}, {"url": "https://medium.com/@clarkcorrin/cve-2026-4931-how-spearbits-cantina-denied-a-critical-vulnerability-using-verifiably-false-0a27b92ac2db"}], "x_generator": {"engine": "VINCE 3.0.35", "env": "prod", "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-4931"}, "providerMetadata": {"orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc", "dateUpdated": "2026-04-07T15:22:36.700Z"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Smart contract Marginal v1 performs unsafe downcast, allowing attackers to settle a large debt position for a negligible asset cost."}], "id": "CVE-2026-4931", "lastModified": "2026-04-07T16:16:30.410", "metrics": {}, "published": "2026-04-07T16:16:30.410", "references": [{"source": "cret@cert.org", "url": "https://cvefeed.io/cwe/detail/cwe-681-incorrect-conversion-between-numeric-types"}, {"source": "cret@cert.org", "url": "https://github.com/MarginalProtocol"}, {"source": "cret@cert.org", "url": "https://marginal.gitbook.io/docs"}, {"source": "cret@cert.org", "url": "https://medium.com/@clarkcorrin/cve-2026-4931-how-spearbits-cantina-denied-a-critical-vulnerability-using-verifiably-false-0a27b92ac2db"}, {"source": "cret@cert.org", "url": "https://scs.owasp.org/SCWE/SCSVS-CODE/SCWE-041/"}], "sourceIdentifier": "cret@cert.org", "vulnStatus": "Received"}

{}

{}