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Limesurvey keeps breaking down after several updates

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1 hour 30 minutes ago - 1 hour 25 minutes ago #274516 by tamelung
Please help us help you and fill where relevant:
LimeSurvey version: 7.0.0+260526
Own server or LimeSurvey Cloud: own server
Survey theme/template: general backend
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Hej,
I updated my self-hosted server to Ubuntu 22.04 about a week ago and with it limesurvey from 5.3.32+220817 to 7.0.0+260526. Ever since, limesurvey intermittently interrupts ist service. Safari 26.5 on MacOS 26.5.1 instead gives a message claiming that I was not connected to the internet, which is not the case, e.g. with video calls still running in parallel. MS Edge tells me the server was down which again is not true as an index.html independent of limesurvey on the same server remains accessible even though limesurvey is not.
In the update process, I had to reconfigure file and folder privileges and followed the instruction given here . At one point ever since the update, I received an error message telling me that PHP did not have necessary privileges to create a new directory related to that new survey using mkdir. Sadly I failed to keep the message.

apache error logs generate a host of messages in this style:[access_compat:error] [pid …] [client …] AH01797: client denied by server configuration: /var/www//limesurvey/application/core/plugins/ReactEditor/images/new_editor_image_small.png, referer: [site name removed]/limesurvey/index.php/surveyAdministration/listsurveys
other files affected are: /limesurvey/application/extensions/admin/grid/ColumnFilterWidget/assets/columns_filter.js, ient 172.29.224.147:57884] AH01797: client denied by server configuration: /var/www/deviat-project/limesurvey/application/extensions/admin/SearchBoxWidget/assets/filters.js, limesurvey/application/core/plugins/ReactEditor/images/new_editor_image_small.png

mysql logs show no errors; I don't see any PHP specific logs.

Maybe most troublesome: The admin login seems to stay open even after the breakdown of the connection. That is, after some time when I reload the page or re-enter …/limesurvey/admin in the browser, I am lead to the admin page without the need for an additional login.

Can anyone figure out what is happening or help me solve this?
Last edit: 1 hour 25 minutes ago by tamelung. Reason: forgot to highlight the security related aspect of the issue

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