RCE in Siteboon Claudecodeui

CVE-2026-31975

Cloud CLI (aka Claude Code UI) is a desktop and mobile UI for Claude Code, Cursor CLI, Codex, and Gemini-CLI. Prior to 1.25.0, OS Command Injection via WebSocket Shell. Both projectPath and initialCommand in server/index.js are taken direc…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.005 (67.4th percentile) — read the EPSS interpretation.

Affected products

Siteboon Claudecodeui — versions < 1.25.0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

https://github.com/siteboon/claudecodeui/security/advisories/GHSA-gv8f-wpm2-m5wr (x_refsource_CONFIRM)
https://github.com/siteboon/claudecodeui/commit/12e7f074d9563b3264caf9cec6e1b701c301af26 (x_refsource_MISC)
https://github.com/siteboon/claudecodeui/releases/tag/v1.25.0 (x_refsource_MISC)