Cross Chain Transfer Protocol (CCTP)
ChainSecurity reviewed Circle (Cross Chain Transfer Protocol (CCTP)) on 6 Dec 2022: 11 findings, 0 critical; 6 marked fixed, 3 acknowledged, 2 open.
No open critical findings
Open the reportOpen Circle’s security record
Report hosted on chainsecurity.com.
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Findings11
Statuses are the security firm’s own, from its report.
| Severity | Open | Acknowledged | Fixed |
|---|---|---|---|
| Critical | 0 | 0 | 0 |
| High | 0 | 0 | 0 |
| Medium | 0 | 0 | 0 |
| Low | 2 | 3 | 6 |
LowFloating Dependencies VersionsAcknowledged
The report gives no description here.
LowGas OptimizationsAcknowledged
The report gives no description here.
LowPotential Event Reordering Due to Reentrancy in MessageTransmitterAcknowledged
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 Circle’s security record
CircleAudits7 audits by 2 firmsLast audit Feb 2026, by ChainSecurity.
Critical findingsNo open critical findingsAcross the 7 reports, 1 critical finding was reported. It is marked fixed by the firm that reported it.
Open Circle’s security recordSecurity firm
ChainSecurity81 projects reviewed · 286 reports · latest Nov 2026
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