Missing Authorization Affecting code.vikunja.io/api/pkg/routes/caldav package, versions <2.3.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about Missing Authorization vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-GOLANG-CODEVIKUNJAIOAPIPKGROUTESCALDAV-16321502
- published29 Apr 2026
- disclosed10 Apr 2026
- creditadrgs
Introduced: 10 Apr 2026
CVE-2026-35598 Â (opens in a new tab)How to fix?
Upgrade code.vikunja.io/api/pkg/routes/caldav to version 2.3.0 or higher.
Overview
Affected versions of this package are vulnerable to Missing Authorization in the GetResource and GetResourcesByList processes. An attacker can access sensitive task data from projects they do not have permission to view by making authenticated CalDAV requests with a known or guessed task UID.