Vulnerability · NVD published 2026-09-15
CVE-2026-91979
Vikunja before 2.6.0 fails to limit archive expansion during data import, allowing authenticated users to cause denial of service. Attackers can upload highly compressed files that expand to tens of gigabytes in memory and disk, exhausting server resources and crashing the instance.
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, 36th 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.
Exploits
not checkedNot checked yet. Our exploit watch has not looked at this CVE, so this says nothing either way.
On the wire
1 dispatchWatch this one?
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