GCD AI RADAR
incidents/AIR-2026-0407

Actor Exploited Cline AI Workflow and Published Unauthorized CLI Package

Attack on AI3 Confirmed exploitationPrompt injectionSupply chain

An unknown actor exploited prompt injection in an AI workflow to obtain credentials and publish an unauthorized npm package. The developer deprecated the release and revoked credentials without user data exposure.

Details

type
Attack on AI
An AI model, agent or AI-powered product was the thing exploited, abused or leaked.
categories
  • Prompt injectionprimary
    Untrusted content (web pages, documents, emails, tool output) steers a model into ignoring its instructions.
  • Supply chain
    Malicious or backdoored models, poisoned packages, unsafe deserialization and other compromised AI dependencies.
owasp llm top 10
mitre atlas
Both rows are derived from the type and categories (OWASP 2025 edition, ATLAS release 2026.09), not classified per record. How
severity
3 · Confirmed exploitation
Used against real targets; limited or unclear impact.
targets
Anthropic, Framework / tooling
products
Cline, Claude
incident date
17 Feb 2026
first reported
17 Feb 2026
origin
AI Incident Database
Derived from the AI Incident Database (CC BY-SA 4.0).
classifier confidence
0.95 · published at or above 0.80; see the methodology
tags
prompt_injection · supply_chain · npm
record
created 2026-10-18 06:33Z · updated 2026-10-18 06:59Z · json

Sources · 1

  1. 2026-02-17
    Unknown Actor Reportedly Exploited Cline's Claude-Powered GitHub Issue-Triage Workflow and Published an Unauthorized Cline CLI Package
    AI Incident Database · incidentdatabase.ai/cite/1680

Titles and links belong to their publishers. The summary above is written by GCD AI RADAR in its own words; data is CC BY-SA 4.0.

Related incidents