CVE-2026-123524 Vikunja 0.23.0 before 2.7.1 Information Disclosure via Webhook related_tasks Payload
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-123524?
CVE-2026-123524 is a medium-severity vulnerability in go-vikunja vikunja, published on 8 Nov 2026.
Official description
Vikunja from 0.23.0 before 2.7.1 contains an information disclosure vulnerability that allows project collaborators with write access to read tasks from inaccessible projects by registering webhooks. Because webhook payloads are built with the triggering user's permissions, attackers receive related_tasks titles, descriptions and metadata from private projects whenever another user modifies a linked task.
Weakness: CWE-863
Which versions are affected by CVE-2026-123524?
How do I fix CVE-2026-123524?
No fix has been published for CVE-2026-123524 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-123524 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-123524 exists.
Sources
Also known as GHSA-66cq-j6rw-pjch, GHSA-h94h-5hrj-rqqg.