Is CVE-2026-31975 actively exploited?

No active exploitation of CVE-2026-31975 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-31975 be exploited remotely?

Yes. CVE-2026-31975 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-31975?

CVE-2026-31975 has a CVSS score of 8.7 (HIGH).

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HIGH

CVE-2026-31975

CWE-78Published: March 11, 2026· Updated: Mar 12, 2026

8.7

CVSS v3.1

EPSS:0.39%probability of exploitation in 30 daysPercentile:59.7th

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.

NVD Source

Technical Analysis

CVE-2026-31975 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.Low

User InteractionNone

ScopeX

Impact

Confidentiality

Integrity

Availability

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/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