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CVE PROGRAM SOURCE RECORD7.1 High

CVE-2026-91979

Vikunja before 2.6.0 Denial of Service via Decompression Bomb

Description

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.

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