Vulnerability details

CVE-2026-31975

siteboon claudecodeui

Cloud CLI WebSocket shell injection

CVSS 4.0

8.7High

Official description

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 directly from the WebSocket message payload and interpolated into a bash command string without any sanitization, enabling arbitrary OS command execution. A secondary injection vector exists via unsanitized sessionId. This vulnerability is fixed in 1.25.0.

CVSS scores

Score	Version	Source	Vector
8.7High	4.0	CVEProject cvelistV5 (CNA) (GitHub_M)	`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`

Affected products

Vendor	Product	Versions	Source
siteboon	claudecodeui	< 1.25.0	CVEProject cvelistV5 (CNA)

References and advisories

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

Kolun on Telegram @kolunsec Exploited CVEs, key news and a daily digest Alerts for this product's next CVEsFollow the product to get new vulnerabilities on Telegram.

Details

Published: 2026-03-11
Last updated: 2026-03-12
State: Published
Assigner (CNA): GitHub_M

Exploit prediction (EPSS)

3.9%

Probability of exploitation in 30 days

90.3%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: Yes
Exploitation: Proof of concept
Technical impact: Total

Weaknesses (CWE)

CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')