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Permalink CVE-2026-35601

4.1 MEDIUM

CVSS version: 3.1
Attack vector (AV): NETWORK
Attack complexity (AC): LOW
Privileges required (PR): LOW
User interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality impact (C): NONE
Integrity impact (I): LOW
Availability impact (A): NONE

created 4 days, 2 hours ago

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 property boundary, allowing injection of arbitrary iCalendar properties such as ATTACH, VALARM, or ORGANIZER. This vulnerability is fixed in 2.3.0.