Highlights
Denial of Service: 4 prior fixes. Scrutinize any change in this area.
CommandPerms.java: most-fixed (1 issue). Treat as high-risk during review.
3 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: Misalignment between proxy connection state and backend login packet flags allows attackers to bypass downstream authentication checks. Developers must validate against the proxy's own connection status rather than trust received backend packet values.
Denial of Service: An absence of reading limitations during nested or large NBT data parsing enables malicious payloads to exhaust system memory and CPU. Developers must enforce strict size and depth limits when deserializing player and server data.
Auth Bypass: Privileged administrative commands registered without explicit constructor-level permission verification can allow unauthorized users to execute sensitive operations. Security decorators must validate permissions uniformly during command initialization.