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CVE PROGRAM SOURCE RECORD7.1 High

CVE-2026-91970

Vikunja before 2.6.0 Resource Exhaustion via Planka Migration

Description

Vikunja versions before 2.6.0 contain a resource exhaustion vulnerability in the Planka migrator that fails to enforce aggregate memory budgets during migration jobs. Authenticated attackers can submit migration requests pointing to attacker-controlled servers advertising numerous size-compliant attachments, exhausting worker memory and causing denial of service for all users.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

go-vikunja vikunja

Default version status: unaffected

  • 0 to < 2.6.0affected
  • 2.6.0unaffected
pkg:golang/code.vikunja.io/api

References