CVE-2026-123527

MEDIUM
5.4CVSS v3
—CVSS v2
0.24% EPSS (exploit probability)
CWE-863CWE

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.

CVSS v3 vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Affected routers (0)

No routers currently mapped to this CVE in our database.

External references