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CVE-2026-35601

Vikunja has an iCalendar Property Injection via CRLF in CalDAV Task Output PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
go-vikunja / vikunjaaffected < 2.3.0

CWE

CWE-93

References

ADP enrichment

CISA-ADP

No English description supplied.