Incident
Incident,
Source: De.Fi incident database.
- Audits before it
- 0.
- Audits since
- 12, the latest dated 15 Jul 2026.
Yearn security record
As of 30 Oct 2026, Yearn has 12 audit reports by 1 security firm on Trustblock; the latest is by ChainSecurity, dated 15 Jul 2026. Those reports list no open critical findings. It also holds 1 incident (latest 4 Feb 2021).
Critical findings
No open critical findings
Across the 12 reports, 1 critical finding was reported. It is marked fixed by the firm that reported it. See the findings
Incident
Incident 4 Feb 2021
Source: De.Fi incident database. 12 audits have been published since. See the incident
Open the latest report
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Get the label for your siteRecord last updated . It holds audits and findings, contracts and incidents up to Oct 2026. Trustblock does not review code.
Audits12
Newest first
| Audit | Security firm | Date | Scope | Critical findings | Report |
|---|---|---|---|---|---|
| Yearn ytranche | Security firm: ChainSecurity | Date: | Scope: Files named in the report | No open critical findings | Open · chainsecurity.com |
| yETH Governance | Security firm: ChainSecurity | Date: | Scope: Files named in the report | No open critical findings | Open · chainsecurity.com |
| yETH Periphery | Security firm: ChainSecurity | Date: | Scope: Files named in the report | No open critical findings | Open · chainsecurity.com |
| yDiscount Smart Contracts Security Audit | Security firm: ChainSecurity | Date: | Scope: Files named in the report | No open critical findings | Open · chainsecurity.com |
| ERC4626 Router | Security firm: ChainSecurity | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · chainsecurity.com |
| yETH | Security firm: ChainSecurity | Date: | Scope: Files named in the report | No open critical findings | Open · chainsecurity.com |
| yBAL | Security firm: ChainSecurity | Date: | Scope: Files named in the report | No open critical findings | Open · chainsecurity.com |
| Yearn Tokenized Strategy | Security firm: ChainSecurity | Date: | Scope: Files named in the report | No open critical findings | Open · chainsecurity.com |
| Yearn V3 Vaults | Security firm: ChainSecurity | Date: | Scope: Files named in the report | No open critical findings | Open · chainsecurity.com |
| oYfi | Security firm: ChainSecurity | Date: | Scope: Files named in the report | No open critical findings | Open · chainsecurity.com |
| yCRV and ZapYCRV | Security firm: ChainSecurity | Date: | Scope: Files named in the report | 1 critical finding, fixed | Open · chainsecurity.com |
| Partner Tracker | Security firm: ChainSecurity | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · chainsecurity.com |
Findings80
Statuses are the security firm’s own, from each report.
| Severity | Open | Acknowledged | Fixed |
|---|---|---|---|
| Critical | 0 | 0 | 1 |
| High | 0 | 0 | 2 |
| Medium | 1 | 1 | 16 |
| Low | 5 | 12 | 42 |
MediumCRV Not Locked When Used to Mint YCRVyCRV and ZapYCRV · ChainSecurity · 6 Sep 2022Acknowledged
The report gives no description here.
Open the reportLowA Donation Enables a Bounded First-Depositor Attack on a Fresh TrancheYearn ytranche · ChainSecurity · 15 Jul 2026Acknowledged
The report gives no description here.
Open the reportLowDecreasing Pool Value Through Rate UpdatesyETH · ChainSecurity · 26 Jun 2023Acknowledged
The report gives no description here.
Open the reportLowGuardian Can Front-Run Kill CommandyETH · ChainSecurity · 26 Jun 2023Acknowledged
The report gives no description here.
Open the reportLowInefficient Initial Approximation Value for Pi in Supply CalculationyETH · ChainSecurity · 26 Jun 2023Acknowledged
The report gives no description here.
Open the reportLowPossible to Frontrun the First Deposit in PoolyETH · ChainSecurity · 26 Jun 2023Acknowledged
The report gives no description here.
Open the reportLowPossible to Update Ramp Step While RampingyETH · ChainSecurity · 26 Jun 2023Acknowledged
The report gives no description here.
Open the reportLowViolation of Sum of WeightsyETH · ChainSecurity · 26 Jun 2023Acknowledged
The report gives no description here.
Open the reportLowVoting Weight Increase Differs for New and Existing PositionsyETH · ChainSecurity · 26 Jun 2023Acknowledged
The report gives no description here.
Open the reportLowVault Withdrawal Could Fail in the ZapperyBAL · ChainSecurity · 13 Jun 2023Acknowledged
The report gives no description here.
Open the reportShow 3 more
LowGain Exceeds Max_DebtYearn V3 Vaults · ChainSecurity · 4 May 2023Acknowledged
The report gives no description here.
Open the reportLowReentrancy and process_report()Yearn V3 Vaults · ChainSecurity · 4 May 2023Acknowledged
The report gives no description here.
Open the reportLowTrades During ZapYCRV.zap ConversionsyCRV and ZapYCRV · ChainSecurity · 6 Sep 2022Acknowledged
The report gives no description here.
Open the reportIncidents1
Attached through a shared contract address. Our incident data ends in Oct 2026.
Contracts
No deployed address is recorded for these audits.
The reports name a repository or files. Open a report to see its scope.
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