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Wikipedia Put in Read-Only Mode After Mass Admin Account Compromise on Meta-Wiki

Canopy Security

Wikipedia and multiple Wikimedia wikis were locked into read-only mode on March 5, 2026 after a coordinated compromise of admin accounts on Meta-Wiki, the Wikimedia Foundation's cross-project coordination site. Reports from the Wikimedia status page and the Wikipedia Village Pump indicate the incident was broad enough to affect editing capabilities globally across Wikimedia projects. The incident underscores ongoing risks from credential-based attacks on collaborative open-knowledge platforms relied upon by billions of readers and thousands of editors.

Key Takeaways

  • Meta-Wiki admin accounts were compromised en masse, triggering a platform-wide read-only lock across Wikipedia and other Wikimedia wikis on March 5, 2026
  • Wikimediastatus.net confirmed the outage; community discussion tracked at Wikipedia Village Pump (technical) and Reddit megathread r/wikipedia
  • Over 838 points on Hacker News and 276 comments, indicating wide developer and technical community attention to the incident

Original source: Wikimedia Status / Hacker News