CVE-2026-53446 Wekan: Server-Side Request Forgery (SSRF) via webhook integration URLs
A board administrator can configure webhook URLs to trigger server-side requests to internal or metadata services, bypassing network restrictions.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-53446?
CVE-2026-53446 is a medium-severity server-side request forgery vulnerability in wekan, published on 15 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Wekan is open source kanban built with Meteor. Prior to 9.32, Wekan webhook integration URLs in models/integrations.js are stored from user input and later fetched by server/notifications/outgoing.js without applying the existing validateAttachmentUrl() private-network checks from models/lib/attachmentUrlValidation.js. A board administrator can configure webhook URLs that cause server-side requests to internal or metadata services. This issue is fixed in version 9.32.
Weakness: CWE-918
Which versions are affected by CVE-2026-53446?
How do I fix CVE-2026-53446?
No fix has been published for CVE-2026-53446 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-53446 being exploited?
There is no known exploitation of CVE-2026-53446 in the wild and no public exploit code.
Sources
Also known as GHSA-hc3x-hq3m-663q.