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日本語(JA) ChromeのAI 拡張機能 SiderAI・MaxAIに重大な脆弱性-1,000万台超のブラウザでGmail・カレンダー・Claude/ChatGPTの会話履歴がサイト訪問だけで盗まれる危険性|セキュリティニュースのセキュリティ対策Lab https://www. yayafa.com/2827513/ # Agen

AI Browser Extensions SiderAI, MaxAI Have Critical Vulnerability, Exposing User Data

By PulseAugur Editorial · [2 sources] ·

A critical vulnerability has been discovered in AI browser extensions SiderAI and MaxAI, potentially exposing the conversation history of users interacting with services like Claude and ChatGPT. The flaw allows malicious websites to steal sensitive data, including Gmail and calendar information, from over 10 million browsers. This security lapse highlights the risks associated with integrating AI tools directly into web browsing environments. AI

IMPACT Critical vulnerabilities in AI browser extensions expose user data, highlighting the need for enhanced security measures in AI-powered tools.

RANK_REASON The cluster discusses a security vulnerability in AI browser extensions, which falls under the 'tool' category as it relates to the integration and risks of AI-powered applications.

Read on Mastodon — fosstodon.org →

AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

AI Browser Extensions SiderAI, MaxAI Have Critical Vulnerability, Exposing User Data

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
The cluster discusses a security vulnerability in AI browser extensions, which falls under the 'tool' category as it relates to the integration and risks of AI-powered applications.
Source corroboration
2 independent sources
Multiple independent publishers reporting the same story raises confidence that it's real and newsworthy.
Topics
product, safety
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
96 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 [2]

  1. Mastodon — fosstodon.org TIER_1 日本語(JA) · [email protected] ·

    KubeCon Europe 2026: What is the Future of MCP Explained by Anthropic Engineers? | KubeCon + CloudNativeCon Europe 2026 Report https://www.yayafa.com/2827515/ # AgenticAi # AI # Anthropic # Artif

    KubeCon Europe 2026：Anthropicのエンジニアが解説するMCPの未来とは？ | KubeCon＋CloudNativeCon Europe 2026レポート https://www. yayafa.com/2827515/ # AgenticAi # AI # Anthropic # ArtificialGeneralIntelligence # ArtificialIntelligence # エージェント型AI # 人工知能 # 汎用人工知能

    LINKS yayafa.com/2827515
  2. Mastodon — fosstodon.org TIER_1 日本語(JA) · [email protected] ·

    Serious Vulnerability in Chrome AI Extensions SiderAI and MaxAI - Risk of Gmail, Calendar, and Claude/ChatGPT Conversation History Being Stolen Just by Visiting a Website on Over 10 Million Browsers | Security News Security Measures Lab https://www.yayafa.com/2827513/ # Agen

    ChromeのAI 拡張機能 SiderAI・MaxAIに重大な脆弱性-1,000万台超のブラウザでGmail・カレンダー・Claude/ChatGPTの会話履歴がサイト訪問だけで盗まれる危険性|セキュリティニュースのセキュリティ対策Lab https://www. yayafa.com/2827513/ # AgenticAi # AI # Anthropic # AnthropicClaude # ArtificialGeneralIntelligence # ArtificialIntelligence # claude # u30bbu30adu…

    LINKS yayafa.com/2827513

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