Security context
What an agent needs to avoid regressing past fixes and find the next vuln in this repo.
openzeppelin/openzeppelin-contracts-upgradeable
master @ 97d7dd9
16
Fixes
0
CVEs
HIGH
Peak severity
66.7%
Coverage
Highlights
Auth Bypass: 11 prior fixes. Scrutinize any change in this area.
AccessControlDefaultAdminRulesUpgradeable.sol: most-fixed (2 issues). Treat as high-risk during review.
13 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.
Auth Bypass: Insecure tracking of initializer sequences and lack of strict initialization disabling allowed unauthorized takeover of implementation contracts. Transitioning to versioned reinitializers and strict modifier chaining is critical to prevent contract hijacking.
Cryptographic Verification Bypass: Incomplete boundary checks in multi-proof processing could allow attackers to forge valid proofs when zero-value nodes exist, undermining the integrity of Merkle-based distributions and authorization structures.
Auth Bypass: Flaws in role-renunciation workflows failed to clear pending administration transfers and validate the executor, permitting unauthorized actors to claim administrative privileges.