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Kanban server flaw exposed AI coding agents to data theft

A critical vulnerability in Cline's Kanban server, identified as Cross-Origin WebSocket Hijacking, has been patched. This flaw could have allowed malicious websites to steal data and inject commands into AI coding agents. The security researchers who discovered the issue have released a patch, now available in version 0.1.66, highlighting the growing importance of AI agent security. AI

IMPACT Highlights the emerging security risks for AI agents and the need for robust defenses.

RANK_REASON Security vulnerability and patch for a specific software product.

Read on Mastodon — fosstodon.org →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Kanban server flaw exposed AI coding agents to data theft

How we ranked this

Signal score
0 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
Security vulnerability and patch for a specific software product.
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
safety, product
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
134 days old
Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.

Full methodology in our editorial standards.

COVERAGE [1]

  1. Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] ·

    Critical flaw in Cline’s Kanban server exposed AI coding agents to Cross-Origin WebSocket Hijacking attacks. Researchers say malicious websites could steal work

    Critical flaw in Cline’s Kanban server exposed AI coding agents to Cross-Origin WebSocket Hijacking attacks. Researchers say malicious websites could steal workspace data and inject commands into agents silently. Patch released in v0.1.66. AI agent security is quickly becoming a …