EUVD-2026-43722

Easy!Appointments has server-side request forgery in CalDAV connection test that exposes the deployment's internal network...

Server-side Request Forgery (SSRF)

Overview alextselegidis/easyappointments is a powerful Open Source Appointment Scheduler that can be installed on your server. Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the connecttoserver function. An attacker can access internal network resources by...

CVE-2026-52840

Easy!Appointments is a self hosted appointment scheduler. In versions prior to 1.6.0, Caldav::connecttoserver at application/controllers/Caldav.php:60 hands the request's caldavurl to a Guzzle REPORT call without scheme or host validation. A logged-in backend user admin, provider, or secretary...

CVE-2026-52840 Easy!Appointments has server-side request forgery in CalDAV connection test that exposes the deployment's internal network

Easy!Appointments is a self hosted appointment scheduler. In versions prior to 1.6.0, Caldav::connecttoserver at application/controllers/Caldav.php:60 hands the request's caldavurl to a Guzzle REPORT call without scheme or host validation. A logged-in backend user admin, provider, or secretary...

CVE-2026-52840 Easy!Appointments has server-side request forgery in CalDAV connection test that exposes the deployment's internal network

Easy!Appointments is a self hosted appointment scheduler. In versions prior to 1.6.0, Caldav::connecttoserver at application/controllers/Caldav.php:60 hands the request's caldavurl to a Guzzle REPORT call without scheme or host validation. A logged-in backend user admin, provider, or secretary...

CVE-2026-52840 Easy!Appointments has server-side request forgery in CalDAV connection test that exposes the deployment's internal network

Easy!Appointments is a self hosted appointment scheduler. In versions prior to 1.6.0, Caldav::connecttoserver at application/controllers/Caldav.php:60 hands the request's caldavurl to a Guzzle REPORT call without scheme or host validation. A logged-in backend user admin, provider, or secretary...

CVE-2026-52840

Affected software: Easy!Appointments (self-hosted) prior to 1.6.0. Vulnerability: Server-Side Request Forgery (SSRF) in the CalDAV connection test. In Caldav::connect_to_server (application/controllers/Caldav.php:60), the request’s caldav_url is handed to a Guzzle REPORT call without proper schem...

PT-2026-58068

Name of the Vulnerable Software and Affected Versions Easy!Appointments versions prior to 1.6.0 Description An issue exists where the Caldav::connect to server function in application/controllers/Caldav.php processes the caldav url variable without validating the scheme or host. This allows an...

GO-2026-5114 Vikunja Missing Authorization on CalDAV Task Read in code.vikunja.io/api

Vikunja Missing Authorization on CalDAV Task Read in code.vikunja.io/api. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from vulnerability scanners, please...

PT-2026-42364

Vikunja has iCalendar Property Injection via CRLF in CalDAV Task Output in code.vikunja.io/api. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from vulnerabilit...

CVE-2026-35598

Vikunja is an open-source self-hosted task management platform. Prior to 2.3.0, the CalDAV GetResource and GetResourcesByList methods fetch tasks by UID from the database without verifying that the authenticated user has access to the task's project. Any authenticated CalDAV user who knows or...

CVE-2026-35598

Vikunja is an open-source self-hosted task management platform. Prior to 2.3.0, the CalDAV GetResource and GetResourcesByList methods fetch tasks by UID from the database without verifying that the authenticated user has access to the task's project. Any authenticated CalDAV user who knows or...

CVE-2026-35601

Vikunja is an open-source self-hosted task management platform. Prior to 2.3.0, the CalDAV output generator builds iCalendar VTODO entries via raw string concatenation without applying RFC 5545 TEXT value escaping. User-controlled task titles containing CRLF characters break the iCalendar propert...

CVE-2026-35601 Vikunja has an iCalendar Property Injection via CRLF in CalDAV Task Output

Vikunja is an open-source self-hosted task management platform. Prior to 2.3.0, the CalDAV output generator builds iCalendar VTODO entries via raw string concatenation without applying RFC 5545 TEXT value escaping. User-controlled task titles containing CRLF characters break the iCalendar propert...

CVE-2026-35601 Vikunja has an iCalendar Property Injection via CRLF in CalDAV Task Output

Vikunja is an open-source self-hosted task management platform. Prior to 2.3.0, the CalDAV output generator builds iCalendar VTODO entries via raw string concatenation without applying RFC 5545 TEXT value escaping. User-controlled task titles containing CRLF characters break the iCalendar propert...

CVE-2026-35601 Vikunja has an iCalendar Property Injection via CRLF in CalDAV Task Output

Vikunja is an open-source self-hosted task management platform. Prior to 2.3.0, the CalDAV output generator builds iCalendar VTODO entries via raw string concatenation without applying RFC 5545 TEXT value escaping. User-controlled task titles containing CRLF characters break the iCalendar propert...

CVE-2026-35598

Vikunja CalDAV Read vulnerability (CVE-2026-35598): CalDAV GetResource/GetResourcesByList fetch tasks by UID without enforcing authorization, allowing any authenticated CalDAV user who knows or guesses a task UID to read full task data from any project. Affects Vikunja before v2.3.0; fixed in v2....

CVE-2026-35598 Vikunja has Missing Authorization on CalDAV Task Read

Vikunja is an open-source self-hosted task management platform. Prior to 2.3.0, the CalDAV GetResource and GetResourcesByList methods fetch tasks by UID from the database without verifying that the authenticated user has access to the task's project. Any authenticated CalDAV user who knows or...

CRLF Injection

Overview Affected versions of this package are vulnerable to CRLF Injection via improper handling of user-supplied input in the ParseTodos function. An attacker can inject arbitrary iCalendar properties by including CRLF characters in task titles or other fields, which are then concatenated into...

GHSA-2G7H-7RQR-9P4R Vikunja has iCalendar Property Injection via CRLF in CalDAV Task Output

Summary The CalDAV output generator builds iCalendar VTODO entries via raw string concatenation without applying RFC 5545 TEXT value escaping. User-controlled task titles containing CRLF characters break the iCalendar property boundary, allowing injection of arbitrary iCalendar properties such as...