Delegation Framework Audit Report

CyfrinCode version: not recorded (see the report)

Audit · firm’s term: audit report

Cyfrin reviewed MetaMask (Delegation Framework Audit Report) on 1 Apr 2025: 6 findings, 0 critical; 3 marked fixed, 3 acknowledged.

No open critical findings
Open the reportOpen MetaMask’s security record

Report hosted on GitHub.

Trustblock does not review code.

Findings6

Statuses are the security firm’s own, from its report.

SeverityOpenAcknowledgedFixed
Critical000
High000
Medium031
Low002

Marked Informational or Gas by the firm. Not counted as findings.

InformationalFirst transaction on SpecificActionERC20TransferBatchEnforcer does not support sending native valueAcknowledged

The report gives no description here.

GasNativeTokenStreamingEnforcer and ERC20TokenStreamingEnforcer gas optimizationsAcknowledged

The report gives no description here.

GasERC20PeriodTransferEnforcer gas optimizationsFixed

The report gives no description here.

GasUnnecessary execution mode support in DelegationMetaSwapAdapterFixed

The report gives no description here.

Contracts in scope

No deployed address is recorded for this audit.

The report names a repository or files. Open the report to see its scope.

Part of MetaMask’s security record

MetaMask
Audits8 audits by 2 firmsLast audit Apr 2026, by Cyfrin.
Critical findingsNo open critical findingsAcross 8 reports.
Open MetaMask’s security record

Security firm

Cyfrin

28 projects reviewed · 79 reports · latest Sep 2026

See Cyfrin’s audits

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