{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-86840", "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "state": "PUBLISHED", "assignerShortName": "certcc", "dateReserved": "2026-09-08T14:43:37.022Z", "datePublished": "2026-09-08T15:29:48.572Z", "dateUpdated": "2026-09-08T15:29:48.572Z"}, "containers": {"cna": {"title": "Bifrost Unauthorized Channel Commission Attribution Allows Commission Diversion", "descriptions": [{"lang": "en", "value": "The `vtoken-minting` and `slpx` pallets in Bifrost contain an improper authorization vulnerability in channel commission attribution. A signed account can supply an arbitrary registered `channel_id` when minting tokens without verifying that the caller is authorized to mint on behalf of that channel. This allows an attacker to inflate a channel's recorded mint volume and cause protocol commission payments to be disproportionately distributed to that channel during commission settlement."}], "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "Bitfrost.io", "product": "Bifrost", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "2022.02", "versionType": "custom"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-862 Missing Authorization"}]}, {"descriptions": [{"lang": "en", "description": "CWE-639 Authorization Bypass Through User-Controlled Key"}]}], "references": [{"url": "https://docs.bifrost.io/faq/what-are-vtokens"}, {"url": "https://gist.github.com/prasanna8585/ffd112b1a125ca4c5533fdce45ef57c1"}], "x_generator": {"engine": "VINCE 3.0.45", "env": "prod", "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-86840"}, "providerMetadata": {"orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc", "dateUpdated": "2026-09-08T15:29:48.572Z"}}}}

{}

{"affected": [{"affectedData": [{"product": "Bifrost", "vendor": "Bitfrost.io", "versions": [{"lessThanOrEqual": "2022.02", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "cret@cert.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The `vtoken-minting` and `slpx` pallets in Bifrost contain an improper authorization vulnerability in channel commission attribution. A signed account can supply an arbitrary registered `channel_id` when minting tokens without verifying that the caller is authorized to mint on behalf of that channel. This allows an attacker to inflate a channel's recorded mint volume and cause protocol commission payments to be disproportionately distributed to that channel during commission settlement."}], "id": "CVE-2026-86840", "lastModified": "2026-09-08T19:29:09.680", "metrics": {}, "published": "2026-09-08T16:18:37.597", "references": [{"source": "cret@cert.org", "url": "https://docs.bifrost.io/faq/what-are-vtokens"}, {"source": "cret@cert.org", "url": "https://gist.github.com/prasanna8585/ffd112b1a125ca4c5533fdce45ef57c1"}], "sourceIdentifier": "cret@cert.org", "vulnStatus": "Deferred"}

{}

{"created": "2026-09-08T17:00:02.996936+00:00", "updated": "2026-09-08T17:00:02.996951+00:00", "vendors": [], "weaknesses": ["CWE-284"]}