CVE-2026-123525

Vikunja versions prior to 2.7.1 are vulnerable to a Memory Exhaustion Denial of Service (DoS) . The root cause is that the Trello, Todoist, and Microsoft To Do migration importers buffer remote attachment downloads and API responses in memory without enforcing size limits. An authenticated user c...

CVE-2026-123494

Vikunja versions prior to 2.7.1 are vulnerable to a Cross-Site Request Forgery (CSRF) flaw within the migration OAuth callbacks for Todoist , Microsoft To Do , and Trello . The root cause is the absence of a bound state parameter in these callbacks. An attacker can authorize their own account, re...

CVE-2026-123494 Vikunja before 2.7.1 Login CSRF via Migration OAuth Callbacks

Vikunja before 2.7.1 contains a cross-site request forgery vulnerability that allows attackers to import their data into a victim's account because the Todoist, Microsoft To Do, and Trello migration OAuth callbacks lack a bound state parameter. Attackers can authorize their own account, keep the...

CVE-2026-123494: go-vikunja vikunja: Vikunja before 2.7.1 contains a cross-site request forgery vulnerability that allows attackers to import their data…

Vikunja before 2.7.1 contains a cross-site request forgery vulnerability that allows attackers to import their data into a victim's account because the Todoist, Microsoft To Do, and Trello migration OAuth callbacks lack a bound state parameter. Attackers can authorize their own account, keep the...

PT-2026-139806

Vikunja before 2.7.1 allocates memory without limits in its Trello, Todoist and Microsoft To Do migration importers, which buffer remote attachment downloads and API responses in memory without size caps. Authenticated users can start a migration that references huge attacker-served attachments o...

PT-2026-139775

Vikunja before 2.7.1 contains a cross-site request forgery vulnerability that allows attackers to import their data into a victim's account because the Todoist, Microsoft To Do, and Trello migration OAuth callbacks lack a bound state parameter. Attackers can authorize their own account, keep the...