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CVE-2026-35598

4.3 medium SSVC exploitation: poc Analyzed
NVD · CVE.org

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 guesses) a task UID can read the full task data from any project on the instance. This vulnerability is fixed in 2.3.0.

Fix

Patch, vendor advisory and mitigation references on NVD 3

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 4.3 · vikunjaNVD modified 2026-10-26 21:10

Affected (CPE criteria) 1

  • cpe:2.3:a:vikunja:vikunja:*:*:*:*:*:*:*:*

References 5