Verified

ghsa:GHSA-C2G7-39FR-CP8Q: code.vikunja.io/api >= 2.5.0, < 2.6.0

Duplicate Advisory: Vikunja: Planka migration retains an unbounded aggregate of attacker-served attachments and can OOM the API. Affected range: >= 2.5.0, < 2.6.0.

Affected technology

code.vikunja.io/api · >= 2.5.0, < 2.6.0
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

Authenticated attackers can submit migration requests pointing to attacker-controlled servers advertising numerous size-compliant attachments, exhausting worker memory and causing denial of service for all users. Source advisory’s CVSS 3.1 assessment rates confidentiality and integrity impact as none; availability impact as high.

Published 13-Oct-2026 07:48 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-c2g7-39fr-cp8q.html