# CVE-2026-55652 — wekan

> As of 2026-07-15, CVE-2026-55652 is a CRITICAL-severity vulnerability in wekan, CVSS v3.1 9.8, EPSS 0.3% (27.7th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-55652 as of 2026-07-15; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-07-15

## What is CVE-2026-55652?

Wekan is open source kanban built with Meteor. Prior to 9.46, header-login with HEADER_LOGIN_TRUSTED_IPS uses getRequestIp() in server/lib/headerLoginAuth.js to trust the client-supplied X-Forwarded-For header before the real socket address, allowing an unauthenticated attacker to send HEADER_LOGIN_ID for any username and receive a meteor_login_token session, including for admin. This issue is fixed in version 9.46.

The record classifies CVE-2026-55652 under weakness classes [CWE-287](https://intel.threadlinqs.com/cwe/CWE-287), [CWE-290](https://intel.threadlinqs.com/cwe/CWE-290). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 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:** 9.8 — CRITICAL (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **EPSS (FIRST):** 0.3% probability of exploitation in the next 30 days, higher than 27.7% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 6/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-07-15

## Is CVE-2026-55652 being exploited?

It currently carries a trending score of 37 in the Threadlinqs vulnerability feed.

## Affected products and versions

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

## How to fix CVE-2026-55652

No vendor patch reference has been recorded for CVE-2026-55652 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-2026-55652

No threat campaign in the Threadlinqs corpus currently references CVE-2026-55652, 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-jggc-qvfc-jr6x)

**Other references**

- [github.com](https://github.com/wekan/wekan/commit/b181889a565254bc9bf79379a34fc7f617ccda28)
- [github.com (v9)](https://github.com/wekan/wekan/releases/tag/v9.46)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-55652
Full detection coverage and IOCs for threats exploiting CVE-2026-55652 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp