CVE-2026-2207 WeKan Activity Publication activities.js LinkedBoardActivitiesBleed information disclosure
Remote attackers can exploit an information disclosure vulnerability in WeKan's activity publication handler to access sensitive data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-2207?
CVE-2026-2207 is a medium-severity vulnerability in WeKan, published on 8 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A weakness has been identified in WeKan up to 8.20. This issue affects some unknown processing of the file server/publications/activities.js of the component Activity Publication Handler. Executing a manipulation can lead to information disclosure. It is possible to launch the attack remotely. Upgrading to version 8.21 is capable of addressing this issue. This patch is called 91a936e07d2976d4246dfe834281c3aaa87f9503. You should upgrade the affected component.
Which versions are affected by CVE-2026-2207?
It affects 1 product.
Products include Wekan Project Wekan.
How do I fix CVE-2026-2207?
No fix has been published for CVE-2026-2207 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-2207 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2207 exists.
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-p69q-x7rq-85qp.