HighVulnerabilityLLM-specific
CVE-2026-31975: Cloud CLI OS command injection via WebSocket shell
- Source
- NVD(opens in a new tab)
- Identifier
- CVE-2026-31975
- Published
- Record updated
- Affected
- @siteboon/claude-code-ui <= 1.24.0
- Fixed in
- 1.25.0
- released March 10, 2026, 1 day before disclosure
- Known exploitation
- Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
- EPSS
- 3.6%
Summary
CVE-2026-31975 affects Cloud CLI (aka Claude Code UI), a desktop and mobile UI for Claude Code, Cursor CLI, Codex, and Gemini-CLI, in versions prior to 1.25.0. The projectPath and initialCommand values in server/index.js are taken directly from the WebSocket message payload and interpolated into a bash command string without sanitization, enabling arbitrary OS command execution. A secondary injection vector exists through the unsanitized sessionId.
Mitigation
Fixed in 1.25.0.
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