{"api_version":"1","generated_at":"2026-10-07T04:38:43+00:00","cve":"CVE-2026-106511","urls":{"html":"https://cve.report/CVE-2026-106511","api":"https://cve.report/api/cve/CVE-2026-106511.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-106511","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-106511"},"summary":{"title":"CVE-2026-106511","description":"MultiversX's multisig-improved (repository: mx-multisig-and-modules) reference implementation of their on-chain multisig smart contract system contains a vulnerability where a missing independent authorization check allows any account with the Proposer role to perform explicitly barred actions. This vulnerability allows the Proposer role to move funds alone, draining 100% of a contract's EGLD/ESDT balance in two transactions with zero signatures.","state":"PUBLISHED","assigner":"certcc","published_at":"2026-10-06 19:18:13","updated_at":"2026-10-06 20:06:12"},"problem_types":["CWE-862 Missing Authorization","CWE-863 Incorrect Authorization","CWE-306 Missing Authentication for Critical Function"],"metrics":[],"references":[{"url":"https://github.com/multiversx/mx-multisig-and-modules","name":"https://github.com/multiversx/mx-multisig-and-modules","refsource":"cret@cert.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-106511","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106511","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"MultiversX Labs S.R.L.","product":"multisig-improved","version":"affected GitHub commit 2e6dbea40f9b8ac165572a9efd4304804762a299","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"product":"multisig-improved","vendor":"MultiversX Labs S.R.L.","versions":[{"status":"affected","version":"GitHub commit 2e6dbea40f9b8ac165572a9efd4304804762a299"}]}],"descriptions":[{"lang":"en","value":"MultiversX's multisig-improved (repository: mx-multisig-and-modules) reference implementation of their on-chain multisig smart contract system contains a vulnerability where a missing independent authorization check allows any account with the Proposer role to perform explicitly barred actions. This vulnerability allows the Proposer role to move funds alone, draining 100% of a contract's EGLD/ESDT balance in two transactions with zero signatures."}],"problemTypes":[{"descriptions":[{"description":"CWE-862 Missing Authorization","lang":"en"}]},{"descriptions":[{"description":"CWE-863 Incorrect Authorization","lang":"en"}]},{"descriptions":[{"description":"CWE-306 Missing Authentication for Critical Function","lang":"en"}]}],"providerMetadata":{"dateUpdated":"2026-10-06T18:52:33.825Z","orgId":"37e5125f-f79b-445b-8fad-9564f167944b","shortName":"certcc"},"references":[{"url":"https://github.com/multiversx/mx-multisig-and-modules"}],"source":{"discovery":"UNKNOWN"},"title":"CVE-2026-106511","x_generator":{"engine":"VINCE 3.0.49","env":"prod","origin":"https://cveawg.mitre.org/api/cve/CVE-2026-106511"}}},"cveMetadata":{"assignerOrgId":"37e5125f-f79b-445b-8fad-9564f167944b","assignerShortName":"certcc","cveId":"CVE-2026-106511","datePublished":"2026-10-06T18:52:33.825Z","dateReserved":"2026-10-06T18:47:59.209Z","dateUpdated":"2026-10-06T18:52:33.825Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-06 19:18:13","lastModifiedDate":"2026-10-06 20:06:12","problem_types":["CWE-862 Missing Authorization","CWE-863 Incorrect Authorization","CWE-306 Missing Authentication for Critical Function"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"106511","Ordinal":"1","Title":"CVE-2026-106511","CVE":"CVE-2026-106511","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"106511","Ordinal":"1","NoteData":"MultiversX's multisig-improved (repository: mx-multisig-and-modules) reference implementation of their on-chain multisig smart contract system contains a vulnerability where a missing independent authorization check allows any account with the Proposer role to perform explicitly barred actions. This vulnerability allows the Proposer role to move funds alone, draining 100% of a contract's EGLD/ESDT balance in two transactions with zero signatures.","Type":"Description","Title":"CVE-2026-106511"}]}}}