Medium severity4.3NVD Advisory· Published Nov 8, 2026· Updated Nov 8, 2026

CVE-2026-123509

Description

Vikunja before 2.7.1 contains an uncontrolled resource consumption vulnerability that allows project writers or view admins to create unlimited kanban buckets due to missing count caps. Attackers can create thousands of buckets so every kanban read runs a task SELECT and COUNT per bucket, generating heavy database load.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Go Vikunja/Vikunjallm-fuzzy
Range: <2.7.1

Patches

Vulnerability mechanics

References

github.com/go-vikunja/vikunja/security/advisories/GHSA-p697-wq4x-grpjnvd
www.vulncheck.com/advisories/vikunja-before-2.7.1-denial-of-service-via-unbounded-kanban-bucket-countnvd

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cvss	0.280
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patch	-0.070
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