{"id":"CVE-2026-106511","aliases":["EUVD-2026-93662","GHSA-vxx8-8p7v-9mvp"],"status":"published","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.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00468,"percentile":0.40938,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306","CWE-862","CWE-863"],"published":"2026-10-06T18:52:33Z","modified":"2026-10-07T18:33:08Z","products":[{"vendor":"multiversx labs s.r.l.","product":"multisig-improved"}],"references":[{"url":"https://github.com/multiversx/mx-multisig-and-modules"},{"url":"https://gist.github.com/x01griax/c03f4be898dc55ccf3bab667c83c7312","tags":["exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106511"},{"url":"https://github.com/advisories/GHSA-vxx8-8p7v-9mvp"}],"sources":{"cve":[{"id":"CVE-2026-106511","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.","status":"published","published":"2026-10-06T18:52:33.825Z","modified":"2026-10-07T17:55:09.072Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-862","CWE-863","CWE-306"],"updated_at":"2026-11-02T14:20:04.463704Z"}],"euvd":[{"id":"EUVD-2026-93662","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.","status":"published","published":"2026-10-06T18:52:33Z","modified":"2026-10-07T17:55:09Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T17:27:34.815018Z"}],"ghsa":[{"id":"GHSA-vxx8-8p7v-9mvp","title":"MultiversX's multisig-improved (repository: mx-multisig-and-modules) reference implementation of...","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.","status":"published","published":"2026-10-06T21:31:50Z","modified":"2026-10-07T18:33:08Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T15:12:55.347665Z"}],"nvd":[{"id":"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.","status":"published","published":"2026-10-06T19:18:13.5Z","modified":"2026-10-07T18:17:16.8Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-306","CWE-862","CWE-863"],"updated_at":"2026-11-02T14:12:54.809359Z"}]}}