medium · CVSS v3 5.4 · CVSS v4 5.3

CVE-2026-123527

Vikunja from 2.4.0 before 2.7.1 contains an authorization bypass vulnerability that allows token holders to perform unin…

Description

Vikunja from 2.4.0 before 2.7.1 contains an authorization bypass vulnerability that allows token holders to perform unintended operations due to colliding v1 and v2 API token permission keys. Attackers with a token scoped to read project backgrounds can delete them via the v2 DELETE background route, and bucket create-only tokens can update existing buckets.

Scores

Severity
medium
CVSS v2
5.5
CVSS v3
5.4
CVSS v4
5.3
EPSS
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