# Aave Labs' proposed Pool accounting safeguard

> Aave Labs proposes using transient storage to protect Pool accounting during repeated interactions within a transaction.

- URL: https://riadefi.com/on-chain/2026-10-21-aave-pool-reentrancy-guard/
- Type: Upgrade or migration
- Stage: Proposed
- Evidence: confirmed
- Materiality: watch
- Event date: 2026-10-21
- Version: 2, published 2026-10-28 (first published 2026-10-22)
- Follow-up: 2026-11-04
- Advisor-relevant: no
- Affects: Aave v3 (protocol)

## What happened

Aave Labs proposed adding a reentrancy guard to Pool operations on October 21, according to its official governance proposal.

## What changed

Aave Labs proposes using transient storage to protect Pool accounting during repeated interactions within a transaction.

## What did not change

Aave Labs stated on October 23 that both flash-loan functions would remain outside the guard.

## Confirmed

- Aave Labs proposes the safeguard for active deployments across Ethereum and the other networks named in its proposal.
- Aave Labs plans audits by Certora and third parties before submitting an on-chain upgrade proposal.
- Aave Labs states that the proposed guard preserves integrations that use flash loans.

## Still open

- The proposal does not establish completed audits, on-chain approval, or deployment.
- Aave Labs has not established an execution date in the cited proposal.

## What it means for an advisor

- Ketju should review audit findings and the final upgrade scope before changing the memo's description of Pool accounting safeguards.
- The proposal supports no change to the current approval or withdrawal assumptions.

## Sources

1. [Aave Labs' proposed Pool accounting safeguard](https://governance.aave.com/t/arfc-aave-v3-8/25891) · Aave Governance / Aave Labs · 2026-10-21


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Published by Ketju Research on RIADeFi (https://riadefi.com). Educational research for financial professionals; not investment, legal, tax, or compliance advice.
