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Low 39 Indexing infrastructure

Implemented websocket "/feed" (i.e "push" updates) on HTTP (REST) API (#237)

Public commit record

What the developer wrote

Authored by Lee *!* Clagett

58/100 · Thin
Implemented websocket "/feed" (i.e "push" updates) on HTTP (REST) API (#237)
✓ Specific, descriptive subject✓ Names a concrete action or component✓ Links an issue, advisory, or supporting reference! No meaningful explanatory body
The short version

What changed, and why it matters

This commit adds a new real-time WebSocket '/feed' endpoint to the Monero Light Wallet Server. It lets wallet clients receive live transaction and block updates instead of polling. The change is large (+3,300 lines) and touches networking, authentication, serialization, and database access. It also refactors existing account-opening code so it can be shared between the old REST API and the new feed. There is no indication in the commit that this is a security fix; it appears to be a feature implementation. Because it is brand-new network-facing code, it increases the attack surface, but the diff itself does not contain an obvious, directly exploitable vulnerability.

Recommended action

Treat this as a feature commit rather than a security patch. Reviewers should focus on the new WebSocket feed code for concurrency bugs, authentication bypasses, and resource exhaustion (queue limits, timeouts, memory growth). Pay special attention to the refactored rpc::open_account and key_check helpers to ensure existing REST endpoints retain their original authorization semantics. Fuzzing the msgpack/json parsers and stress-testing the queue_max and timeout paths would be valuable. No immediate emergency action is warranted based solely on this diff.

Security signals we found

01

New network-facing WebSocket endpoint increases attack surface

02

Authentication relies on existing address+view_key credentials

03

Refactored shared account-opening helpers may change authorization behavior for existing REST endpoints

04

Large feature commit (+3321/-307) with many new code paths and concurrency interactions

05

No explicit security fix or vulnerability disclosure language in commit message or diff

Risk score

Why this scored 39/100

Our methodology →
Potential impact 8/30
Exploitability 7/25
Stealth signal 6/15
Affected reach 9/15
Confidence 6/10
Evidence quality 3/5
Human-validated context

Community notes

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