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Dossier · Vulnerability

Vulnerability · NVD published 2026-09-15

CVE-2026-91969

vikunja versions before 2.6.0 contain a resource exhaustion vulnerability in the POST /api/v2/migration/csv/migrate endpoint that fails to limit parsed row cardinality. Authenticated attackers can upload multipart CSV files with millions of tiny records to exhaust process memory and terminate the API service.

Signals

Exploited in the wild
Not on KEVNot in CISA's catalogue as of the last daily pull. Absence is not proof of safety.
EPSS · 30-day forecast
0%Chance of exploitation in the next 30 days, 27th percentile of all CVEs. A forecast; KEV outranks it.
CVSS · NVD · MEDIUM
6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Internet exposure
not stated by sourcesNo exposure census on this CVE's dispatches.

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