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Vulnerability record · CVE-2026-55234 · published 15 July 2026

CVE-2026-55234: Improper access control vulnerability

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.

8.5 CVSS 3.1 High EPSS 0.43% · top 65.8% CWE-284 · Improper access controlCWE-639 · Insecure direct object reference Deferred
8.5CVSS 3.1 base score
0.43%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
16 Jul 2026Last modified by NVD

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.

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

References

LinkTags
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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Source: NIST National Vulnerability Database (record CVE-2026-55234), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.