Critical 9.8Published Oct 6, 2026

CVE-2026-106511CVE-2026-106511

Updated under an hour ago (2026-10-19 09:10 UTC)

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It affects MultiversX Labs S.R.L. multisig-improved. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.38%, higher than 30% of scored CVEs.

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Every CVE for MultiversX Labs S.R.L. multisig-improved

Exploited in the last 30 days

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.

CVSS: 9.8 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-862, CWE-863, CWE-306
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.38% (percentile 30)
Assigned by: certcc
NVD analysis: Deferred
Record last updated: Oct 7, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

MultiversX Labs S.R.L. multisig-improved multiversx_labs_s.r.l:multisig_improved (from the name)	GitHub commit 2e6dbea40f9b8ac165572a9efd4304804762a299	CNA record

References

https://github.com/multiversx/mx-multisig-and-modules
https://gist.github.com/x01griax/c03f4be898dc55ccf3bab667c83c7312

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.