CVE-2026-123522
Vikunja before 2.7.1 Task Information Disclosure via Kanban Bucket Move Webhook
CVSS Score
7.1
EPSS Score
0.0%
EPSS Percentile
0th
Vikunja before 2.7.1 contains an authorization bypass vulnerability that allows authenticated users to read any task by injecting a crafted task object into a no-op Kanban bucket move. Attackers can set task.id to a victim task and task.project_id to their own project, routing full task contents to their webhook and forging mention notifications.
| CWE | CWE-639 |
| Vendor | go-vikunja |
| Product | vikunja |
| Published | Nov 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None
Affected Versions
go-vikunja / vikunja
0 < 2.7.1
References
Credits
🔍 M7Saad