UUPS _authorizeUpgrade correctly permissioned

Concrete's assessment for RD-F-021 — scored green on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

ConcreteFactory impl (0x224f3450): _authorizeUpgrade(address newImplementation) internal override onlyOwner — restricted to owner (3-of-5 Safe multisig via upgrade tx). No open upgrade path. Green.

Sources #

Etherscan
ConcreteFactory implementation sourceConcreteFactory impl 0x224f3450 — _authorizeUpgrade onlyOwner confirmedretrieved 2026-05-17

Methodology #

Determine whether the UUPS implementation defines `_authorizeUpgrade(address)` restricted to owner/admin/timelock (not open to arbitrary callers).

See the full factor methodology and distribution across all protocols →

rubric_version v1.7.0 protocol concrete factor RD-F-021 score green collected_at 2026-05-17 14:36:59