{"id":"CVE-2026-4931","state":"PUBLISHED","title":"CVE-2026-4931","description":"Smart contract Marginal v1 performs unsafe downcast, allowing attackers to settle a large debt position for a negligible asset cost.","publishedAt":"2026-04-07T15:22:36.700Z","updatedAt":"2026-04-08T14:45:03.884Z","severity":{"score":6.8,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N","source":"CISA-ADP"},"assigner":"certcc","products":["Marginal Marginal Smart Contract"],"affected":[{"vendor":"Marginal","product":"Marginal Smart Contract","versions":[{"version":"1","status":"affected"}]}],"references":["https://cvefeed.io/cwe/detail/cwe-681-incorrect-conversion-between-numeric-types","https://scs.owasp.org/SCWE/SCSVS-CODE/SCWE-041/","https://marginal.gitbook.io/docs","https://github.com/MarginalProtocol","https://medium.com/@clarkcorrin/cve-2026-4931-how-spearbits-cantina-denied-a-critical-vulnerability-using-verifiably-false-0a27b92ac2db"],"weaknesses":["CWE-681"],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/4xxx/CVE-2026-4931.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-4931","state":"PUBLISHED","datePublished":"2026-04-07T15:22:36.700Z","dateUpdated":"2026-04-08T14:45:03.884Z","assignerShortName":"certcc","assignerOrgId":"37e5125f-f79b-445b-8fad-9564f167944b","dateReserved":"2026-03-26T19:31:49.120Z"},"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."}],"affected":[{"vendor":"Marginal","product":"Marginal Smart Contract","versions":[{"version":"1","status":"affected"}]}],"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"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-681 Incorrect Conversion between Numeric Types"}]}],"providerMetadata":{"shortName":"certcc","orgId":"37e5125f-f79b-445b-8fad-9564f167944b","dateUpdated":"2026-04-07T15:22:36.700Z"},"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"VINCE 3.0.35","env":"prod","origin":"https://cveawg.mitre.org/api/cve/CVE-2026-4931"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"CHANGED","version":"3.1","baseScore":6.8,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-04-08T14:44:25.365284Z","id":"CVE-2026-4931","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-681","type":"CWE","lang":"en","description":"CWE-681 Incorrect Conversion between Numeric Types"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-08T14:45:03.884Z"}}]}}}