AIKIDO-2026-503441
drupal/actstream is vulnerable to Access Bypass
72
High Risk
This Affects:
drupal/actstreamTL;DR
Actstream stores per-user activity-stream account settings (RSS feed URLs, social usernames) at /user/{user}/edit/actstream. That route only required the access content permission, which Drupal typically grants to anonymous visitors, so anyone could view and change another account's bindings. The fix requires user.update (account owner or user administrator).
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
drupal/actstream is vulnerable to Access Bypass in versions 0.0.1 - 2.0.0 and 2.1.0 - 2.1.0.
How to fix this
Upgrade the drupal/actstream library to the patch version.
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