medium · CVSS v3 3.5 · CVSS v4 5.1

CVE-2026-123494

Vikunja before 2.7.1 contains a cross-site request forgery vulnerability that allows attackers to import their data into…

Description

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 unused callback code or token, and lure a logged-in victim to the migration callback route to auto-import attacker-chosen projects and tasks containing phishing links.

Scores

Severity
medium
CVSS v2
4
CVSS v3
3.5
CVSS v4
5.1
EPSS
—

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