CVE-2026-123519

MediumCVSS 6.5/10Last modified Nov 12, 2026

Description

Vikunja before 2.7.1 contains a denial of service vulnerability that allows authenticated users to exhaust API process memory by uploading WeKan or vikunja-file imports with no item-count cap. Attackers can submit a ~22 MB WeKan JSON with hundreds of thousands of cards or duplicate IDs to the wekan migrate endpoint, triggering OOM and crashing the instance.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-770

Affected software

VendorProductVersions
go-vikunjavikunja< 2.7.1

References

Timeline

Published
Nov 8, 2026
Last modified
Nov 12, 2026
NVD status
Deferred

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CVE-2026-123519: Medium severity, CVSS 6.5 | Vulnix