Highlights
Sandbox Escape: 2 prior fixes. Scrutinize any change in this area.
repository-hdfs: most-fixed (2 issues). Treat as high-risk during review.
2 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.
Sandbox Escape: The HDFS repository plugin operates in a highly privileged context. Insufficiently isolated execution environments combined with overly permissive security policies (such as unnecessary RuntimePermission grants) allowed sandboxed code to execute arbitrary operations or escape constraints via Hadoop library calls.
Auth Bypass: Privileged operations within the HdfsPlugin were vulnerable to unauthorized invocation by sandboxed code unless properly wrapped in strict AccessController permission checks.
Broken Cryptography: Failing to fallback to the default JVM trust store when no custom location was specified resulted in trusting all certificates, exposing network communications to man-in-the-middle attacks.