Verified

ghsa:GHSA-PHPH-C358-5MWM: code.vikunja.io/api >= 1.0.0, <= 2.5.0

Duplicate Advisory: Vikunja: API token scopes bypassed via task expand parameter (comments, reactions, time entry counts). Affected range: >= 1.0.0, <= 2.5.0.

Affected technology

code.vikunja.io/api · >= 1.0.0, <= 2.5.0
Vendor not specified by the source

Component: Not specified by the source

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

Attackers with limited token scopes can use the expand parameter to access restricted data like comments, reactions, and time entries without proper permission verification. Source advisory’s CVSS 3.1 assessment rates confidentiality impact as low; integrity and availability impact as none.

Published 13-Oct-2026 07:59 UTC

Product: code.vikunja.io/api
KEV: no

Provenance

GitHub Advisory Database · Source record · observed 2026-10-09 22:06:25.045838+00:00 UTC

Stable permalink: https://cybercodered.org/item/adv-ghsa-ghsa-phph-c358-5mwm.html