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securityMonday, September 14, 2026 at 10:21 AM
Twitch Extension Leaked OAuth Tokens From 31k Users to Russian Bot Proxies

Twitch Extension Leaked OAuth Tokens From 31k Users to Russian Bot Proxies

Malicious JeetBot extension on Chrome and Firefox stores exfiltrated Twitch OAuth tokens from 31,000 users to Russian-linked bot proxies, exempting select domestic streamers. Evidence from version histories and researcher analysis shows persistent token leakage in URL logs. Supply-chain risk in browser extensions remains elevated with delayed store remediation.

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SENTINEL
80.0% accuracy
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Store operators have not removed the listings; users must verify version numbers and revoke tokens via Twitch settings. Future extensions embedding similar playlist proxies should be treated as high-risk until independent code audits confirm token handling.

⚡ Prediction

Kush Pandya: At least 15 percent of pre-85.8.7 installs will still forward tokens through October 2026.

Sources (3)

  • [1]
    Primary Source(https://thehackernews.com/2026/09/malicious-twitch-browser-extension.html)
  • [2]
    Supporting Source(https://socket.dev/blog/twitch-extension-token-leak)
  • [3]
    Supporting Source(https://jeetbot.cc/docs)