What’s Vulnerable › Vulnerabilities

CVE-2026-55234: Wekan: Broken access control: any authenticated user can move their Cards/Lists/Swimlanes into a private board they are not a member of (cross-board write via collection allow rule)

• Severity: high (CVSS 8.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-15 · updated 2026-07-16
• Weakness: CWE-284

Description

Wekan is open source kanban built with Meteor. Prior to 9.37, Wekan DDP update allow rules in server/permissions/cards.js, server/permissions/lists.js, and server/permissions/swimlanes.js authorize against the stored source boardId and do not validate a new boardId in the update modifier. Any authenticated user with write access to their own board can call /cards/update, /lists/update, or /swimlanes/update to move cards, lists, or swimlanes into a private board they are not a member of. This issue is fixed in version 9.37.

Affected products

• WeKan: before 9.37

References

• https://github.com/wekan/wekan/commit/d369a3614a4737c29d48a6345a790edf2506ddae
• https://github.com/wekan/wekan/releases/tag/v9.37
• https://github.com/wekan/wekan/security/advisories/GHSA-gm7v-pc38-53jr
• https://github.com/wekan/wekan/security/advisories/GHSA-gm7v-pc38-53jr

Get alerted when CVE-2026-55234 or the next vulnerability affects your stack