CVE-2026-110777

A flaw was found in evolution-data-server. Calendar events containing a file:// URI in their ATTACH property automatically read the targeted local file, base64-encode its contents and upload it back to the server when the event is saved. There are no file path restrictions or checks to verify...

CVE-2026-110777 Evolution-data-server: local file disclosure via attach file:// uris

A flaw was found in evolution-data-server. Calendar events containing a file:// URI in their ATTACH property automatically read the targeted local file, base64-encode its contents and upload it back to the server when the event is saved. There are no file path restrictions or checks to verify...

CVE-2026-18116

Concrete CMS 8.3.0 to 9.5.2 stored calendar event names without sanitization and rendered them without HTML escaping in the workflow approval and deletion notifications shown in the dashboard "Waiting For Me" block. A registered user permitted to add events to a calendar governed by an approval...

CVE-2026-18116

Concrete CMS versions 8.3.0 through 9.5.2 are affected by a Stored XSS in calendar event names. Event names were stored without sanitization and rendered without HTML escaping in the workflow approval/deletion notifications within the dashboard "Waiting For Me" block. A registered user with permi...

PT-2026-91747

Name of the Vulnerable Software and Affected Versions Concrete CMS versions 8.3.0 through 9.5.2 Description Stored calendar event names are saved without sanitization and rendered without HTML escaping in the workflow approval and deletion notifications within the dashboard "Waiting For Me" block...

EUVD-2026-75171

Open WebUI: Any authenticated user can suppress calendar alerts instance-wide via a non-numeric alert value...

Improper Validation of Specified Type of Input

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Improper Validation of Specified Type of Input via the meta object in calendar events, which is stored without validation. An attacker can disrupt calendar alert functionality for all users by submitting a...

CVE-2026-81814

Affected versions of Flowintel render calendar event titles using innerHTML. Because those titles are derived from case titles, a user able to create or modify a case title could store HTML or script-capable content that is later interpreted by the browser when another user views the calendar. Th...

EUVD-2026-67014

Affected versions of Flowintel render calendar event titles using innerHTML. Because those titles are derived from case titles, a user able to create or modify a case title could store HTML or script-capable content that is later interpreted by the browser when another user views the calendar. Th...

PT-2026-82502

Name of the Vulnerable Software and Affected Versions Flowintel versions 3.3.0 and later Description Stored Cross-Site Scripting XSS occurs because calendar event titles are rendered using innerHTML. Since these titles are derived from case titles, a user with permissions to create or modify a ca...

CVE-2026-59234

Authorization Bypass Through User-Controlled Key CWE-639 in CalendarDeleteEventController app/Http/Controllers/Calendar/CalendarDeleteEventController.php, exposed at GET /calendar/event/delete/id, in Prospero Flow CRM before 5.5.3 allows a remote, authenticated attacker to delete arbitrary calend...

CVE-2026-59234

This CVE affects Prospero Flow CRM prior to version 5.5.3. The vulnerability lies in the CalendarDeleteEventController (app/Http/Controllers/Calendar/CalendarDeleteEventController.php), exposed at the GET endpoint /calendar/event/delete/{id} . The delete logic uses Calendar::find($id)->delete(...

CVE-2026-59234

Authorization Bypass Through User-Controlled Key CWE-639 in CalendarDeleteEventController app/Http/Controllers/Calendar/CalendarDeleteEventController.php, exposed at GET /calendar/event/delete/id, in Prospero Flow CRM before 5.5.3 allows a remote, authenticated attacker to delete arbitrary calend...

CVE-2026-59234 Authorization Bypass Through User-Controlled Key in Prospero Flow CRM calendar event deletion

Authorization Bypass Through User-Controlled Key CWE-639 in CalendarDeleteEventController app/Http/Controllers/Calendar/CalendarDeleteEventController.php, exposed at GET /calendar/event/delete/id, in Prospero Flow CRM before 5.5.3 allows a remote, authenticated attacker to delete arbitrary calend...

PT-2026-55537

Name of the Vulnerable Software and Affected Versions Prospero Flow CRM versions prior to 5.5.3 Description An authorization bypass exists in the CalendarDeleteEventController app/Http/Controllers/Calendar/CalendarDeleteEventController.php via the GET '/calendar/event/delete/id' endpoint. A remot...

CVE-2026-11896

The My Calendar – Accessible Event Manager plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 3.7.14 via the 'vcal' parameter due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to...

CVE-2026-54006 Open WebUI: Calendar event re-parenting allows writing events into another user's calendar

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, POST /api/v1/calendars/events/eventid/update validates that the caller has write access to the calendar the event currently belongs to, but does not validate the destination calendar...

CVE-2026-54006

Open WebUI prior to version 0.9.6 is vulnerable to an IDOR in the calendar events update endpoint. The vulnerability arises because POST /api/v1/calendars/events/{event_id}/update validates write access to the source calendar but does not validate the destination calendar_id in the request body, ...

CVE-2026-54006 Open WebUI: Calendar event re-parenting allows writing events into another user's calendar

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, POST /api/v1/calendars/events/eventid/update validates that the caller has write access to the calendar the event currently belongs to, but does not validate the destination calendar...

CVE-2026-8205

Concrete CMS 9.5.0 and below is vulnerable to authorization bypass in the Calendar Block since actiongetevents does not check canView on the calendar which results in restricted event details being disclosed. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 6.3 with...