CVE-2026-31975
Cloud CLI WebSocket shell injection
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.
INFO
Published Date :
March 11, 2026, 6:16 p.m.
Last Modified :
March 20, 2026, 4:17 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Update Cloud CLI to version 1.25.0.
- Ensure projectPath and sessionId are sanitized.
- Validate initialCommand input.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-31975.
| URL | Resource |
|---|---|
| https://github.com/siteboon/claudecodeui/commit/12e7f074d9563b3264caf9cec6e1b701c301af26 | Patch |
| https://github.com/siteboon/claudecodeui/releases/tag/v1.25.0 | Release Notes |
| https://github.com/siteboon/claudecodeui/security/advisories/GHSA-gv8f-wpm2-m5wr | Exploit Vendor Advisory |
| https://github.com/siteboon/claudecodeui/security/advisories/GHSA-gv8f-wpm2-m5wr | Exploit Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-31975 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-31975
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-31975 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-31975 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Mar. 20, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CPE Configuration OR *cpe:2.3:a:cloudcli:cloud_cli:*:*:*:*:*:*:*:* versions up to (excluding) 1.25.0 Added Reference Type GitHub, Inc.: https://github.com/siteboon/claudecodeui/commit/12e7f074d9563b3264caf9cec6e1b701c301af26 Types: Patch Added Reference Type GitHub, Inc.: https://github.com/siteboon/claudecodeui/releases/tag/v1.25.0 Types: Release Notes Added Reference Type CISA-ADP: https://github.com/siteboon/claudecodeui/security/advisories/GHSA-gv8f-wpm2-m5wr Types: Exploit, Vendor Advisory Added Reference Type GitHub, Inc.: https://github.com/siteboon/claudecodeui/security/advisories/GHSA-gv8f-wpm2-m5wr Types: Exploit, Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Mar. 12, 2026
Action Type Old Value New Value Added Reference https://github.com/siteboon/claudecodeui/security/advisories/GHSA-gv8f-wpm2-m5wr -
New CVE Received by [email protected]
Mar. 11, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-78 Added Reference https://github.com/siteboon/claudecodeui/commit/12e7f074d9563b3264caf9cec6e1b701c301af26 Added Reference https://github.com/siteboon/claudecodeui/releases/tag/v1.25.0 Added Reference https://github.com/siteboon/claudecodeui/security/advisories/GHSA-gv8f-wpm2-m5wr