What is CVE-2026-55652?

CVE-2026-55652 is a critical-severity vulnerability in Wekan, classified under Improper Authentication. CVSS score: 9.8/10. Published 2026-07-15.

How severe is CVE-2026-55652?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Wekan

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 addres…

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Wekan — versions < 9.46

Weakness classification (CWE)

CWE-287 — Improper Authentication
CWE-290 — Authentication Bypass by Spoofing

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-55652?: CVE-2026-55652 is a critical-severity vulnerability in Wekan, classified under Improper Authentication. CVSS score: 9.8/10. Published 2026-07-15.
How severe is CVE-2026-55652?: Critical severity. CVSS v3 base score is 9.8 out of 10.