CVE-2026-1895 WeKan Attachment Storage lists.js applyWipLimit ListWIPBleed access control
Remote attackers can bypass access controls in WeKan's attachment storage to view or modify unauthorized list data.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-1895?
CVE-2026-1895 is a medium-severity missing authorization vulnerability in WeKan, published on 4 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A flaw has been found in WeKan up to 8.20. Affected is the function applyWipLimit of the file models/lists.js of the component Attachment Storage Handler. Executing a manipulation can lead to improper access controls. The attack can be executed remotely. Upgrading to version 8.21 is able to address this issue. This patch is called 8c0b4f79d8582932528ec2fdf2a4487c86770fb9. It is recommended to upgrade the affected component.
Which versions are affected by CVE-2026-1895?
It affects 1 product.
Products include Wekan Project Wekan.
How do I fix CVE-2026-1895?
No fix has been published for CVE-2026-1895 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-1895 being exploited?
There is no known exploitation of CVE-2026-1895 in the wild and no public exploit code.
Other vulnerabilities in WeKan
- CVE-2026-30843 Wekan has Cross-Board IDOR in Custom Fields Update Endpoints
- CVE-2026-30844 Wekan Vulnerable to SSRF through Lack of Validation or Filtering in Attachment URL Loading
- CVE-2026-30847 Wekan Credential Leak via notificationUsers Publication Exposes Password Hashes and Session Tokens
- CVE-2025-65780 Missing authorization in n/a
- CVE-2026-30846 Wekan Exposes All Global Webhook Integrations through globalwebhooks Publication
Sources
Also known as GHSA-2fpq-m96x-2xgf.