Opencover security review

Nethermind Security17 Dec 2025Code version: not recorded (see the report)

Audit · firm’s term: security review

Nethermind Security reviewed OpenCover (Opencover security review) on 17 Dec 2025: 2 findings, 0 critical; all marked fixed.

No open critical findings

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Report hosted on GitHub.

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Findings2

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	0	0	2

Marked Info or Best Practices by the firm. Not counted as findings.

InfoclaimableRedeemRequest returns non-zero for already claimed requestAcknowledged

The report gives no description here.

InfoFloor rounding in premium calculation causes the claimable pool to overpay premiumsFixed

The report gives no description here.

InfoPremium streaming can be enabled prematurely before the first settlementFixed

The report gives no description here.

Best PracticesSingle-step ownership transfer can lead to permanent loss of ownershipFixed

The report gives no description here.

InfoThe requestRedeem function uses an external call to transfer vault’s sharesFixed

The report gives no description here.

InfoUnfair unit distribution in _computeUnitAssignment favors early claimersFixed

The report gives no description here.

Best PracticesUse Namespaced storage for the vaultFixed

The report gives no description here.

Contracts in scope

No deployed address is recorded for this audit.

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Part of OpenCover’s security record

OpenCover

Audits1 audit by 1 firmLast audit Dec 2025, by Nethermind Security.

Critical findingsNo open critical findingsIn 1 report.

Open OpenCover’s security record

Security firm

Nethermind Security

57 projects reviewed · 81 reports · latest Sep 2026

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