Description
Vikunja before 2.7.1 contains an uncontrolled resource consumption vulnerability that allows authenticated CalDAV clients to create unbounded dummy tasks by sending VTODOs with thousands of RELATED-TO properties. Attackers can repeat unknown related UIDs in a single PUT request to generate thousands of task, relation, and event rows, bloating the database and overloading the event pipeline.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| go-vikunja | vikunja | < 2.7.1 | 2.7.1 |
References
- GitHub Security Advisory (GHSA-c934-xjq2-mrg3) vendor-advisory
- VulnCheck Advisory: Vikunja before 2.7.1 Resource Exhaustion via CalDAV VTODO RELATED-TO Entries third-party-advisory