OSF discloses security breach: access-control flaw exposed user names, emails and project metadata

0xkarasy · x · 2026-10-30

Open science platform OSF disclosed a security incident: an access-control issue across 16 endpoints in an internal admin app allowed unauthorized external access to users' names and email addresses, plus three metadata fields (GUIDs, titles, descriptions) of public and private projects, registrations and preprints. Earliest unauthorized access logged October 24, 3:42 pm ET; discovered October 27 at 8:15 am and access disabled by 10:00 am the same morning. The issue has been resolved.

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