CVE-2026-123503

MediumCVSS 5.4/10Last modified Nov 11, 2026

Description

Vikunja before 2.7.1 contains an improper authorization vulnerability in canDoBucket that allows users with project write access to delete buckets via a mismatched view ID. Attackers can request deletion through another view's bucket endpoint to bypass the last-bucket rule, leaving dangling default/done bucket references and inconsistent task buckets.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Weakness enumeration

CWE-639

Affected software

No affected versions have been published.

Timeline

Published
Nov 8, 2026
Last modified
Nov 11, 2026
NVD status
Deferred

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CVE-2026-123503: Medium severity, CVSS 5.4 | Vulnix