Highlights
Deserialization: 1 prior fix. Scrutinize any change in this area.
pom.xml: most-fixed (1 issue). Treat as high-risk during review.
1 high-severity fix in this history; regressions here are high-impact.
Recurring patterns
The bug types that recur here, drawn from past fixes, not open vulnerabilities.
Deserialization: The project historically relied on fastjson, which is highly susceptible to remote code execution (RCE) via untrusted deserialization. While replaced with Jackson, any reintroduction of fastjson or similarly unsafe polymorphic deserialization libraries poses a severe threat.
Information Disclosure: Plaintext database credentials were exposed in error and timeout logs during connection or subscription requests. Future request payloads containing sensitive parameters must strictly implement the masking interface to avoid regressions.