CVE-2026-91970 — Vikunja before 2.6.0 Resource Exhaustion via Planka Migration
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. Authentica…
Published: 2026-09-15 · CVSS: 7.1 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7