CVE-2026-55234

8.5 highEPSS 0.4%

High (8.5). EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

8.5 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 36% of CVEs (scores of 2026-10-31)
CWEs: CWE-284, CWE-639
Published: 2026-07-15
Modified: 2026-07-16
Record from: the NVD, synced 2026-10-19

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

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