# CVE-2026-53446 — wekan

> As of 2026-07-16, CVE-2026-53446 is a Medium-severity (band derived from the CVSS v4.0 score, not stated by the CNA) vulnerability in wekan, CVSS v4.0 6.2, EPSS 0.2% (20.6th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-53446 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-2026-53446?

Wekan is open source kanban built with Meteor. Prior to 9.32, Wekan webhook integration URLs in models/integrations.js are stored from user input and later fetched by server/notifications/outgoing.js without applying the existing validateAttachmentUrl() private-network checks from models/lib/attachmentUrlValidation.js. A board administrator can configure webhook URLs that cause server-side requests to internal or metadata services. This issue is fixed in version 9.32.

The record classifies CVE-2026-53446 under weakness class [CWE-918](https://intel.threadlinqs.com/cwe/CWE-918). 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 82 days ago.

## Severity and exploitation probability

- **CVSS v4.0 base score:** 6.2 — Medium (derived from score) (`CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:H/SI:L/SA:N`)
- **EPSS (FIRST):** 0.2% probability of exploitation in the next 30 days, higher than 20.6% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 3.9/10 — 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-2026-53446 being exploited?

It currently carries a trending score of 35 in the Threadlinqs vulnerability feed.

## Affected products and versions

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

## How to fix CVE-2026-53446

No vendor patch reference has been recorded for CVE-2026-53446 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-2026-53446

No threat campaign in the Threadlinqs corpus currently references CVE-2026-53446, 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-hc3x-hq3m-663q)

**Other references**

- [github.com](https://github.com/wekan/wekan/commit/0e5fef6f31164fd3de4db353d04173ee0490cd65)
- [github.com (v9)](https://github.com/wekan/wekan/releases/tag/v9.32)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-53446
Full detection coverage and IOCs for threats exploiting CVE-2026-53446 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp