CVE-2026-91970EPSS p35.6%
CVE-2026-91970CVE-2026-91970
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.
Scoring
| CVSS | 6.5 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| EPSS | 0.44% probability of exploitation · percentile 35.6% · 2026-10-05T12:00:23Z |
| Last modified | 2026-09-16 |