rocketchat/rocket.chat: technical due diligence, read from its repository

The median source file here is 38 lines. 31 files exceed 1,000 lines, the largest being 4,877. Size is not a defect on its own — some problems genuinely live in one place — but these are where merge conflicts, review fatigue and single-owner knowledge concentrate, and they are the first thing that slows an inheriting engineer down.

The suite is configured to retry failing tests (apps/meteor/tests/end-to-end/api-livechat/19-business-hours.ts). A retry turns a flaky test green without saying why it failed, so a green build means the tests passed eventually. Ask how many retries a typical run needs, and which tests need them.

31 files were marked deprecated over two years ago and still are, the oldest since Apr 2022. A deprecation is a promise to remove. Ask what still depends on these, and whether removing them is scheduled.

The newest release, 8.9.0, is not on the branch this survey read; the newest release on it is 8.8.1. The shipped product may differ from what this report describes. Survey the release branch too.

2 steps pipe a download straight into a shell. Tags have been moved to malicious commits in real supply-chain attacks, and a piped script is whatever the server returns that minute. Pinning to a commit is the fix, and it is small.

2 places run a command through a shell (`shell=True`, `os.system`, `exec` with a template) rather than passing arguments. Where any part comes from outside, it is command injection. Ask where each one's input comes from.

29 of 3,484 locked dependencies match 36 published advisories in OSV, 7 of them rated high or critical. A lockfile says which version is installed, not whether the flawed code is reachable from this product, so each needs a look. Most are fixed by an upgrade, and the advisory names the version. This lockfile pins development tools alongside what ships and does not say which is which, so some of these may never reach a user.

17 places set HTML from a value that is neither a literal nor passed through a sanitiser. Where the value can come from a user, that is stored cross-site scripting, and it is the first thing a buyer's security review looks for in a frontend.

The newest was published on 2026-08-21. A project that publishes advisories is telling its users about its fixes, and the count and pace say how much security work it carries. Whether 20 of them are fixed in the code you ship could not be told from this history: its version is only known to be at least 8.8.1. Answer lives in: the release you run, set against each fixed version.

4 images in the deployment configuration are named without a version or as `latest`. A redeploy can change the software without a commit, a rollback has nothing to roll back to, and nobody can say from the repository what is running.