Read the docs
TI-2026-24519 Aliases CVE-2026-31975GHSA-gv8f-wpm2-m5wr

Cloud CLI WebSocket shell injection

Priority HIGH 79CWE-78Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution, Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-78 and CWE-287.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.03901 90th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed claudecodeui (siteboon): 1.25.0@siteboon/claude-code-ui (npm): 1.25.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
siteboonclaudecodeuibefore 1.25.01.25.0Patch availableCNA
—@siteboon/claude-code-ui (npm)before 1.25.01.25.0Patch availableGHSA-gv8f-wpm2-m5wr
  • claudecodeui Vendorsiteboon Affected before 1.25.0 Fixed in 1.25.0 Patch available CNA
  • @siteboon/claude-code-ui (npm) Vendor— Affected before 1.25.0 Fixed in 1.25.0 Patch available GHSA-gv8f-wpm2-m5wr

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cloudcli:cloud_cli:*:*:*:*:*:*:*:*before 1.25.0Vulnerablesiteboon
  • cpe:2.3:a:cloudcli:cloud_cli:*:*:*:*:*:*:*:* Versions before 1.25.0 Vulnerable ·siteboon

Remediation

  • Fix · CNA claudecodeui (siteboon) Fixed in 1.25.0
  • Fix · GHSA-gv8f-wpm2-m5wr @siteboon/claude-code-ui (npm) Fixed in 1.25.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-31975
  2. 2026-10-03 Alias added: GHSA-gv8f-wpm2-m5wr
  3. 2026-10-25 EPSS moved to the 50th–90th percentile
  4. 2026-11-06 EPSS moved to the 90th–95th percentile

References

  • TI-2026-24413 Shell Command Injection in Git Routes [CloudCLI UI] CVSS 4.0HIGH 8.7
  • TI-2026-24414 Cloud CLI has Command Injection via Multiple Parameters CVSS 3.1CRITICAL 9.1

Sources