Security context
What an agent needs to avoid regressing past fixes and find the next vuln in this repo.
alibaba/canal
master @ 08d736b
5
Fixes
0
CVEs
CRITICAL
Peak severity
60.0%
Coverage
Highlights
Auth Bypass: 1 prior fix. Scrutinize any change in this area.
Deployment: most-fixed (1 issue). Treat as high-risk during review.
5 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: A missing break statement in the ClientAuthenticationHandler authentication flow allowed clients with invalid or failed credentials to bypass authorization checks entirely and register active subscriptions. This exposes replication channels to unauthorized access.
Remote Code Execution: Allowing arbitrary Spring XML resource loading through ClassPathXmlApplicationContext without prefix enforcement allowed attackers to trigger remote XML bean definition loading, resulting in arbitrary code execution.
Deserialization of Untrusted Data: Unsafe SnakeYAML deserialization in the client-adapter/launcher permitted arbitrary object instantiation and subsequent code execution. Fixing this required switching to SnakeYAML's SafeConstructor.