# CVE-2026-55234 — wekan

> As of 2026-07-16, CVE-2026-55234 is a HIGH-severity vulnerability in wekan, CVSS v3.1 8.5, EPSS 0.2% (15.4th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-55234 as of 2026-07-16; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-07-16

## What is CVE-2026-55234?

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.

The record classifies CVE-2026-55234 under weakness classes [CWE-284](https://intel.threadlinqs.com/cwe/CWE-284), [CWE-639](https://intel.threadlinqs.com/cwe/CWE-639). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction, and has high impact on integrity. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 82 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 8.5 — HIGH (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L`)
- **EPSS (FIRST):** 0.2% probability of exploitation in the next 30 days, higher than 15.4% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 4.9/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-07-15, last modified 2026-07-16

## Is CVE-2026-55234 being exploited?

It currently carries a trending score of 34 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [wekan](https://intel.threadlinqs.com/vendors/wekan): wekan

## How to fix CVE-2026-55234

No vendor patch reference has been recorded for CVE-2026-55234 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-55234

No threat campaign in the Threadlinqs corpus currently references CVE-2026-55234, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, NVD, FIRST EPSS. Last verified by Threadlinqs on 2026-07-16. This product uses the NVD API but is not endorsed or certified by the NVD.

**Vendor advisory and patch**

- [github.com](https://github.com/wekan/wekan/security/advisories/GHSA-gm7v-pc38-53jr)

**Other references**

- [github.com](https://github.com/wekan/wekan/commit/d369a3614a4737c29d48a6345a790edf2506ddae)
- [github.com (v9)](https://github.com/wekan/wekan/releases/tag/v9.37)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-55234
Full detection coverage and IOCs for threats exploiting CVE-2026-55234 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp