Impact

A legacy API to retrieve session details could be misused to retrieve metadata (such as title, description and conveners) of a restricted session within without having access to that session, as long as the event itself was accessible.

Patches

You should to update to Indico 3.3.13 as soon as possible.
See the docs for instructions on how to update.

Workarounds

Restrict access to the event itself

For more information

If you have any questions or comments about this advisory:

• Open a thread in our forum
• Email us privately at indico-team@cern.ch