CVE-2026-31862: Cloud CLI has Command Injection via Multiple Parameters

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-11 · updated 2026-06-17
Weakness: CWE-78

Description

Cloud CLI (aka Claude Code UI) is a desktop and mobile UI for Claude Code, Cursor CLI, Codex, and Gemini-CLI. Prior to 1.24.0, multiple Git-related API endpoints use execAsync() with string interpolation of user-controlled parameters (file, branch, message, commit), allowing authenticated attackers to execute arbitrary OS commands. This vulnerability is fixed in 1.24.0.

Affected products

Cloudcli Cloud Cli: before 1.24.0 — fixed in 1.24.0

How to fix

Upgrade to a fixed version: Cloudcli Cloud Cli 1.24.0. Check the vendor advisory for mitigations.

References

https://github.com/siteboon/claudecodeui/releases/tag/v1.24.0
https://github.com/siteboon/claudecodeui/security/advisories/GHSA-f2fc-vc88-6w7q

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