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    2 vulnerabilities by MultiversX Labs S.R.L.

    CVE-2026-106511 (GCVE-0-2026-106511)

    Vulnerability from nvd – Published: 2026-10-06 18:52 – Updated: 2026-10-07 17:55
    VLAI
    Title
    CVE-2026-106511
    Summary
    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
    9.8 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-10-07 17:53 UTC
    CWE
    Assigner
    certcc CNA under the mitre root
    CNA scorecard E 42/100 over 145 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    MultiversX Labs S.R.L. multisig-improved Affected: GitHub commit 2e6dbea40f9b8ac165572a9efd4304804762a299
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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              "confidentialityImpact": "HIGH",
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              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
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                "description": "CWE-862 Missing Authorization",
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                "description": "CWE-863 Incorrect Authorization",
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    CVE-2026-106511 (GCVE-0-2026-106511)

    Vulnerability from cvelistv5 – Published: 2026-10-06 18:52 – Updated: 2026-10-07 17:55
    VLAI
    Title
    CVE-2026-106511
    Summary
    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
    9.8 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-10-07 17:53 UTC
    CWE
    Assigner
    certcc CNA under the mitre root
    CNA scorecard E 42/100 over 145 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    MultiversX Labs S.R.L. multisig-improved Affected: GitHub commit 2e6dbea40f9b8ac165572a9efd4304804762a299
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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              "attackVector": "NETWORK",
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              "confidentialityImpact": "HIGH",
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              "scope": "UNCHANGED",
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      ],
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