Security context

What an agent needs to avoid regressing past fixes and find the next vuln in this repo.

celo-org/optimism

              celo-rebase-18 @ 3357d43
            

120

Fixes

CVEs

CRITICAL

Peak severity

56.3%

Coverage

Highlights

Access Control: 23 prior fixes. Scrutinize any change in this area.

OVM_ECDSAContractAccount.sol: most-fixed (4 issues). Treat as high-risk during review.

94 high-severity fixes in this history; regressions here are high-impact.

Recurring patterns

The bug types that recur here, drawn from past fixes, not open vulnerabilities.

Validation Bypass: Multiple fixes address timestamp boundary and dependency-set membership bypasses in cross-chain message verification, allowing invalid claims or messages to be accepted.

Signature Verification Bypass: Multiple fixes correct payload hash computation or signature encoding, preventing signature forgery and replay attacks across gossip and contract accounts.

Auth Bypass: Historical critical bypasses in OVM_L2CrossDomainMessenger and missing JWT on admin RPCs show that trust boundaries are often under-enforced.