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Solved: Certain web pages taken offline

Published Oct 21, 2026

Due to a critical PHP vulnerability, we have taken certain web pages offline pending a scheduled security update.

System/Service: Some web pages may be taken down, following pages are now taken offline:

  • The Wireless Network (WiFi) page, which is used to retrieve your password for eduroam. 
  • eduVPN 
  • KTH Play (Kaltura)
  • www.scilifelab.se 
  • mtb.scilifelab.se 
  • Matomo
  • WordPress sites
  • https://www2.lan.kth.se/guest/ (to create gust accounts) 
  • https://www2.lan.kth.se/guestaccounts/issuer/ 

Status: Solved: All pages/services are now security updated and are back up and running.

Who is affected: All of KTH

How this disruption affects you: The page(s) cannot be accessed.

Operational status for students