Balancer V3

CertoraCode version: not recorded (see the report)

Audit · firm’s term: security assessment & formal verification · Includes formal verification

Certora reviewed Balancer (Balancer V3) on 19 Sep 2024: 10 findings, 2 critical; 9 marked fixed, 1 acknowledged.

2 critical findings, fixed
Open the reportOpen Balancer’s security record

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Findings23

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

SeverityOpenAcknowledgedFixed
Critical002
High001
Medium003
Low013
CriticalThe underlying token of ERC4626 can be changed to steal assetsFixed

The report gives no description here.

CriticalUnused token approval in_wrapWithBuffer can drain the vaultFixed

The report gives no description here.

HighAny user can steal the yield of the wrapped tokens that are kept in the bufferFixed

The report gives no description here.

MediumA malicious user can cause a DoS in the erc4626BufferWrapOrUnwrap() external function by front-running the callerFixed

The report gives no description here.

MediumRounding errors in weighted pool invariant allows to take out more tokens than addedFixed

The report gives no description here.

MediumSwap fees are different depending on if EXACT_IN or EXACT_OUT are being usedFixed

The report gives no description here.

LowinitializeBuffer can only be called when it mints double the minimal amountFixed

The report gives no description here.

LowReEntrancy Pool initialization possibleFixed

The report gives no description here.

LowTransposed digits in a constant valueFixed

The report gives no description here.

Contracts in scope

No deployed address is recorded for this audit.

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Part of Balancer’s security record

Balancer
Audits10 audits by 6 firmsLast audit Apr 2026, by Cantina.
Critical findingsNo open critical findingsAcross the 10 reports, 2 critical findings were reported. Each is marked fixed by the firm that reported it.
IncidentIncident 26 Aug 2023Source: De.Fi incident database.
Open Balancer’s security record

Security firm

Certora

29 projects reviewed · 56 reports · latest Aug 2026

See Certora’s audits

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