CVE-2026-108372
HighCVSS 7.1Summary
LoopX from 0.0.1 until 0.4.5 in `loopx serve-status` uses `StatusRequestHandler._send_json()` and `do_OPTIONS()` to send `Access-Control-Allow-Origin: *` for unauthenticated responses on predictable loopback ports. A remote attacker can cause an operator who visits attacker-controlled web content to issue cross-origin requests to status endpoints, exposing control-plane state, goal and run information, local absolute paths, private Markdown files, and dry-run configuration projections.
Risk Assessment
An attacker can access sensitive system state information, local paths, and private files. This can facilitate further attacks and breach data confidentiality.
Recommendation
Update LoopX to version 0.4.5 or later. Restrict access to loopback ports and avoid visiting untrusted pages while LoopX is running.
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Original NVD description (English source)
Open and provider-neutral, LoopX is a lightweight state kernel and local-first control plane for loop engineering. From version 0.0.1 until 0.4.5, `loopx serve-status` in `loopx/status_server.py` uses `StatusRequestHandler._send_json()` and `do_OPTIONS()` to send `Access-Control-Allow-Origin: *` for unauthenticated responses on predictable loopback ports. A remote attacker can cause an operator who visits attacker-controlled web content to issue cross-origin requests to `GET /status.json`, `GET /review-material?goal_id=...&path=...`, `GET /`, and `POST /control-plane/configure-goal/dry-run`, exposing control-plane state, goal and run information, local absolute paths, private Markdown files below registered goal roots, and dry-run configuration projections. The affected routes do not provide cross-origin writes or arbitrary-file access. This issue is fixed in version 0.4.5.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS